August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Japanese robot venture ZMP demonstrates an autonomous food delivery robot DeliRo at a press preview in front of the newly opened Takanawa Gateway station in Tokyo on Wednesday, August 12, 2020. ZMP and JR East Start Up started a field test of the DeliRo to deliver Japanese noodles for customers using customers' smartphones with cashless payment. (Photo by Yoshio Tsunoda/AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Chairs placed apart to maintain social distancing are seen during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Chairs placed apart to maintain social distancing are seen during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

The Peace Statue is seen before a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

The Peace Statue is seen before a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

The Peace Statue is seen before a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Social Democratic Party leader Mizuho Fukushima attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Ministry of Health, Labour and Welfare, Nobukatsu Kato attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Ministry of Health, Labour and Welfare, Nobukatsu Kato attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Speaker of the House of Representatives in the National Diet, Tadamori Oshima attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Nagasaki Mayor Tomihisa Taue and atomic bombing victim's family offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

August 12, 2020, Tokyo, Japan - Pedestrians get water mist shower to cool down in Tokyo on Wednesday, August 12, 2020. Tokyo's temperature climbed over 35-degree Celsius. (Photo by Yoshio Tsunoda/AFLO)

Speaker of the House of Representatives in the National Diet, Tadamori Oshima offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Ministry of Health, Labour and Welfare, Nobukatsu Kato offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Leader of the opposition Constitutional Democratic Party of Japan, Yukio Edano offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Leader of the Democratic Party for the People, Yuichiro Tamaki offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Leader of the Democratic Party for the People, Yuichiro Tamaki offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Chairman of the Japanese Communist Party, Kazuo Shii offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Hodo Nakamura, Governor of Nagasaki Prefecture delivers a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe delivers a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

U.N. undersecretary-general and high representative for disarmament affairs, Izumi Nakamitsu walks before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

U.N. undersecretary-general and high representative for disarmament affairs, Izumi Nakamitsu walks before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

U.N. undersecretary-general and high representative for disarmament affairs, Izumi Nakamitsu delivers a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Hodo Nakamura, Governor of Nagasaki Prefecture walks before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe walks before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe walks before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Released doves fly during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe bows before delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Released doves fly during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Tomihisa Taue, Mayor of Nagasaki walks after delivering a speech during a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Mayor of Hiroshima Kazumi Matsui(R) offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Participants offer flowers during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe offer a silent prayer during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Social Democratic Party leader Mizuho Fukushima offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

U.N. undersecretary-general and high representative for disarmament affairs, Izumi Nakamitsu offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

U.N. undersecretary-general and high representative for disarmament affairs, Izumi Nakamitsu offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Speaker of the House of Representatives in the National Diet, Tadamori Oshima offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

President of House of Councilors, Akiko Santo offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe offers wreath during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

President of House of Councilors, Akiko Santo attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

President of House of Councilors, Akiko Santo(L) and Ministry of Health, Labour and Welfare, Nobukatsu Kato attend the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

President of House of Councilors, Akiko Santo(L) and Ministry of Health, Labour and Welfare, Nobukatsu Kato attend the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Leader of the opposition Constitutional Democratic Party of Japan, Yukio Edano attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Japan's Prime Minister Shinzo Abe attends the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Staff Member uses a infrared thermometer to check the temperature of visitors at the entrance for the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

The Peace Statue is seen before a ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Chairs placed apart to maintain social distancing are seen during the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Staff Member uses a infrared thermometer to check the temperature of visitors at the entrance for the ceremony for the atomic bomb victims marking the 75th anniversary of the atomic bombing of Nagasaki at the Peace Park in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)

Worshipers maintain social distance during a morning mass at the Urakami Cathedral in Nagasaki, Japan on August 9, 2020. (Photo by AFLO)