Nepal floods: 20 years of satellite images reveal how a Himalayan river corridor became a disaster trap

A 20-year comparison of satellite images shows how development transformed Nepal’s vulnerable Himalayan river corridor, with roads, bridges, hotels, hydropower projects and other infrastructure crowding limited land beside the Lhende-Trishuli system. When a devastating August flood surged downstream, the heavily built-up valley offered little room for the torrent to dissipate.