On the morning of Aug. 26, a glacial collapse near the Nepal-China border generated flash flooding and mudslides that cascaded into the Bhote Koshu and Trishuli river systems. The path of destruction tore down the mountainsides, sweeping away people, swallowing homes and devastating dozens of villages. According to scientists investigating the event, the flood wave traveled nearly 14 miles in just six minutes and 50 seconds. As of the most recen…