NAIROBI, June 19 (Xinhua) -- Tsavo East National Park is one of the oldest parks in Kenya. It is home to elephant, rhino, buffalo, lion, leopard and so on.

A ranger stands guard near an elephant at Tsavo East National Park near Voi, Kenya.(Xinhua/Pan Siwei)

Three baby elephants walk past a pool at Tsavo East National Park near Voi, Kenya.(Xinhua/Pan Siwei)

A monkey sits on a tree at Tsavo East National Park near Voi, Kenya.(Xinhua/Pan Siwei)

A man uses his phone when an elephant drinking water behind him at Tsavo East National Park near Voi, Kenya. (Xinhua/Pan Siwei)

Elephants drink water at a pool at Tsavo East National Park near Voi, Kenya.(Xinhua/Pan Siwei)

A monkey sits on a tree at Tsavo East National Park near Voi, Kenya. (Xinhua/Pan Siwei)