In the Spring of 1997, the Tibet Autonomous Region Mountaineering Association initiated the first clean-up on the Northern slope of Mount Everest, cleaning up oxygen tanks and other domestic waste left over from the 1960s and 1970s. This video was also specially broadcast at the Conference of the Parties to the United Nations Framework Convention on Climate Change in Kyoto that year, drawing world attention.
1997年春，西藏自治区登山协会在珠峰北坡发起第一次清扫活动，清理了一批上世纪六七十年代遗留的氧气瓶等生活垃圾。该视频还在当年的东京世界气候大会上专门播放，引起世界关注。