
A crocodile waits as wildebeests prepare to cross the Mara River at the Maasai Mara National Reserve, Kenya, Aug. 28, 2017. (Xinhua/Lyu Shuai)
 
 
A crocodile waits as wildebeests prepare to cross the Mara River at the Maasai Mara National Reserve, Kenya, Aug. 28, 2017. (Xinhua/Lyu Shuai)