(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- This photo taken on June 7, 2024 shows a replica of the "Mrs Ples" fossil skull at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- A visitor is seen at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- This photo taken on June 7, 2024 shows exhibits at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- A visitor is seen at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- Students visit the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- A visitor is seen at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- This photo taken on June 7, 2024 shows a replica of the "Little Foot" fossil skeleton at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- Students visit the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- This photo taken on June 7, 2024 shows a view inside the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- Students visit the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- Students are pictured outside the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)

(240608) -- GAUTENG, June 8, 2024 Photo by Xinhua/ABACAPRESS.COM) -- A visitor is seen at the Maropeng exhibition center, located in the Cradle of Humankind World Heritage Site, in Gauteng Province, South Africa, on June 7, 2024. The World Heritage listed Cradle of Humankind caves have produced a rich collection of human ancestor fossils. Photo by Xinhua/ABACAPRESS.COM/Zhang Yudong)