![A golden monkey stays in the forest in Volcanoes National Park, northwestern Rwanda, on Dec. 25, 2017. (Xinhua/Lyu Tianran)](http://www.ecns.cn/hd/2018/09/02/27be2d654ec743fdbd177ad2a1d627d1.jpg)
A golden monkey stays in the forest in Volcanoes National Park, northwestern Rwanda, on Dec. 25, 2017. (Xinhua/Lyu Tianran)
![Farmers pick tea leaves at a tea plantation in Gisakura, southwestern Rwanda, Oct. 19, 2017. (Xinhua/Lyu Tianran)](http://www.ecns.cn/hd/2018/09/02/a6306d82d9c647819b32c85142acc997.jpg)
Farmers pick tea leaves at a tea plantation in Gisakura, southwestern Rwanda, Oct. 19, 2017. (Xinhua/Lyu Tianran)
![Tourists take boats on the water of Watamu Marine National Park in Malindi on the east coast of Kenya, Aug. 25, 2018. (Xinhua/Li Yan)](http://www.ecns.cn/hd/2018/09/02/e0af7f4d8b964ee59811611d8311a5bf.jpg)
Tourists take boats on the water of Watamu Marine National Park in Malindi on the east coast of Kenya, Aug. 25, 2018. (Xinhua/Li Yan)
![Photo taken on July 3, 2016 shows a view of Victoria Falls on the border of Zambia and Zimbabwe. (Xinhua/Chen Wenchang)](http://www.ecns.cn/hd/2018/09/02/c27689e6831f4d5484f5dd13ab2bffd8.jpg)
Photo taken on July 3, 2016 shows a view of Victoria Falls on the border of Zambia and Zimbabwe. (Xinhua/Chen Wenchang)