In one of the most viral videos online on Saturday, seven people were killed, three persons are still missing and 32 injured. The footage shows the moment a large piece of rock broke away from a cliff face while onlookers yell and screamed warnings to the boats beneath the falling rock.
Unfortunately, it all happened quickly and most of the people that were close to the rock were unable to escape the natural disaster.
The fatal accident took place on Saturday in the southeast area of Brazil along a river.
Watch the tragedy below.