<Li> Eas a' Chual Aluinn in Scotland, at 200 metres (660 ft), the highest waterfall in the United Kingdom . </Li> <Li> Falls of Lora, also in Scotland, is an unusual rapids in the sea that is created when the waters in Loch Etive pour out through the narrow mouth of the loch over a rocky shelf . </Li> <Li> Gocta, the sixteenth - tallest in the world at 771 metres (2,530 ft), is located in the province of Chachapoyas, Peru . </Li> <Li> Huangguoshu Waterfall in Anshun, Guizhou, China, is the largest waterfall in East Asia . </Li>

In nature what happens to the rocks at the bottom of the waterfalls