@thefactstoryguy: The recent Nepal Himalayas disaster showed how ice and rock can collapse into a river, block the water, and create a temporary natural dam. When that blockage gives way, a powerful surge of water and debris can race down the valley within minutes. This animation breaks down the terrifying chain reaction.. ⚠️ Educational content. #NepalFloods #GlacierCollapse #FlashFlood #avalanche #thefactstoryguy