Sushil Khadga of the Agni Ventures, an agency that manages recyclable waste, checks an used oxygen cylinder collected en route Mount Everest before it is recycled at the facility, in Kathmandu, Nepal, Monday, June 24, 2024. The highest camp on the world's tallest mountain is littered with garbage that is going to take years to clean up, according to a Sherpa who led a team that worked to clear trash and dig up dead bodies frozen for years near Mount Everest's peak. (AP Photo/Sanjog Manandhar)