Massive landslides and catastrophic flash floods have wreaked havoc at the Nepal-China border, destroying houses, wiping out bridges and killing at least 538 people.

Before-and-after images show villages, bridges and a key Nepal-Tibet border crossing washed away by devastating floodwaters.

Shreya Ahuja is searching for her parents after devastating floods struck Nepal. She is calling for international help and communications access as her family waits for news.

Flash floods caused by a glacier collapse along the Nepal-China border have killed hundreds and caused widespread destruction

Unstable conditions and the accelerating retreat of Andean ice sheets expose Chile, Argentina and Peru to a risk of catastrophic floods and mudslides.

The threat of more floods hung on Friday over the steep valleys on the Nepal-China border, where rescuers were mounting an increasingly desperate search for the survivors of a sweeping torrent that smashed bridges and killed hundreds of people.

Houston’s tightly knit Nepali community is rallying to support families and organize relief efforts after flooding in Nepal killed hundreds.

Many of the Americans still missing since Wednesday, officials and relatives said, were on a trek to Mount Kailash, which is in Tibet and revered by Hindus and Buddhists.