Is Mother Nature cruel? A Swiss town has been wiped out by an avalanche in just 40 seconds.
The village swallowed by a glacier
How Blatten was flattened: The village is now almost completely covered by dirt, ice and rock that is dozens of metres thick and two kilometres long. Glossary
Switzerland - A country in central Europe, known for mountains, lakes and skiing.
Glacier - A mass of very slowly moving snow and ice. Experts believe that at their fullest extent, during the Ice Age, glaciers covered 30% of the Earth's surface.
Avalanches - When snow, ice or rocks falls rapidly down a mountainside.
Global warming - The Earth is getting hotter due to climate change.
Predators - Animals that prey on and eat other animals.
Droughts - A time when there is not enough water and the ground is very dry.
Universe - Everything. Including all of time and space and its contents.