Footage shows Camp IV, the highest campsite on Earth, full of piles of rubbish left behind by climbing groups, with scores of worn-out yellow tents flapping in gale-force winds.

Footage shows Camp IV, the highest campsite on Earth, full of piles of rubbish left behind by climbing groups, with scores of worn-out yellow tents flapping in gale-force winds.

The popularity of the Himalayan peak exacerbates the problem after 274 climbers ascend in one day.