CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- A chimpanzee is seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- A staff member feeds chimpanzees at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- Chimpanzees are seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- A chimpanzee is seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- Yoyo Beach is seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- Chimpanzees eat bananas and pineapple at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- A chimpanzee is seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

CAMEROON-LITTORAL-DOUALA EDEA NATIONAL PARK

(220522) -- LITTORAL, May 22, 2022 (Xinhua) -- A chimpanzee is seen at the Douala Edea National Park in Littoral region, Cameroon, April 20, 2022. May 22 marks the International Day for Biological Diversity. (Photo by Kepseu/Xinhua)