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It is noted that the law of Nepal stipulates that climbers are forbidden to litter on the ascent to the mountain, and they leave a deposit of 4 thousand dollars as a guarantee of keeping Everest clean, but at 8-kilometer height is extremely difficult to monitor the order.
Thus, only this year Nepalese authorities collected about 13 tons of garbage from Everest and nearby Lhotse Peak as part of a campaign to preserve nature in the mountains.
