Herd of elephants trekking through China take a nap – video

One of nine drones tracking a herd of elephants crossing through China's south-western Yunnan province has filmed them taking a rest. All but one baby elephant can be seen lying flat out on the ground asleep. Last week, images of the herd of 15 Asian elephants walking through a residential area appeared on social media and sparked intense media interest. Chinese authorities dispatched a taskforce to track them. State TV has spent days following their every footstep

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