TUNIS, TUNISIA - AUGUST 11: A kid poses for a photo as Muslims gather to perform the Eid Al Adha (Feast of Sacrifice) prayer at Saheb Ettaba Mosque in Tunis, Tunisia on August 11, 2019. Muslims worldwide celebrate Eid Al-Adha, to commemorate the holy Prophet Ibrahim's (Prophet Abraham) readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows. Eid-al Adha is the one of two most important holidays in the Islamic calendar, with prayers and the ritual sacrifice of animals. Yassine Gaidi / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags and banners against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

10 August 2019, Russia, Moskau: Numerous people demonstrate with flags, banners and posters against police violence and for free elections. The rally on the Sakharov Prospekt n the Russian capital was the largest in many years. The organizers spoke of about 50,000 participants, the police of about 20,000. Photo: Ulf Mauder/dpa

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - AUGUST 10: Police officers take a protester into custody during an unauthorized rally in support of detainees in protests and rejected Moscow City Duma candidates in central Moscow, Russia on August 10, 2019. The rally is the latest in a series of demonstrations after officials refused to let popular opposition candidates run in next month's city parliament elections. Stringer / Anadolu Agency/ABACAPRESS.COM