“I do not want to stop [searching]. If I pause, I start thinking about my brothers and sisters and all the moments of my life here.” Gui Xinwei, deputy chief of the Gyirong Border Inspection Station, was speaking to Chinese state broadcaster CCTV from the ruins of his workplace, seven days after the devastating mudslide erased the port crossing where China and Nepal meet. “I just don’t want to stop.” Gui was away on holiday on August 26 when a glacier collapsed in Nepal, triggering a massive...