Papua New Guinea landslide area to become 'mass burial site' as

landslide What are the causes and effects of landslides? The main cause of a landslide is the effect of gravity overcoming the stability of a slope through friction;

A landslide is a mass movement of material, such as rock, earth or debris, down a slope They can happen suddenly or more slowly over long periods of time  landslide Landslide is designed to educate and thereby rally support at the local, state, and national levels by calling attention to threatened and at-risk landscapes in