Satellite images reveal scale of flood devastation in Nepal villages

Figure caption, Tracing the deadly path of the Nepal-Tibet flash floodByPaul Brown and Adam DurbinBBC VerifyNew satellite imagery has revealed the scale of the devastation along Nepal's Trishuli River caused by Wednesday's deadly flash flood, triggered by a glacier collapse.Before-and-after images show how sections of the valley, where a torrent of floodwater and debris surged through, destroyed villages, bridges and hydroelectric power stations.More than 550 people have been killed, Nepalese officials say, with hundreds more missing.Among the worst-hit locations reviewed by BBC Verify was a key Nepal-Tibet border crossing, which was engulfed by a rush of floodwater and captured on camera.The satellite imagery from US-based intelligence firm Vantor, shows the site has been almost entirely washed away. Shocking CCTV footage showed the moment as the deluge of water swept over buildings as people tried to escape.Damage and mud can be seen more than 2.5km (1.5 miles) upstream, reaching 100m (330 ft) above the area it first hit.A few miles further south is the village of Timure, which has now largely disappeared.The walls of the valley at this point are steep, reaching up to 50m above t...