A fast-moving mass of mud, debris, boulders, Nothing can be done to prevent a landslide once it starts; they are among the most ferocious and devastating forces in nature. This episode investigates one of the most shocking landslides, when an entire generation of children were wiped out as their school was engulfed by mud. The episode also examines the devastating landslides to hit California early in 2018, as well as the landslide in Venezuela that resulted in the loss of an estimated 30,000 people who were buried or swept out to sea.

A fast-moving mass of mud, debris, boulders, Nothing can be done to prevent a landslide once it starts; they are among the most ferocious and devastating forces in nature. This episode investigates one of the most shocking landslides, when an entire generation of children were wiped out as their school was engulfed by mud. The episode also examines the devastating landslides to hit California early in 2018, as well as the landslide in Venezuela that resulted in the loss of an estimated 30,000 people who were buried or swept out to sea.