It is called a sinkhole.

Look at that big pit. It opened up early one morning. It was in a hospital parking lot in Italy.

No one was hurt. But three cars fell into the sinkhole.

Read More: Water always is seeping between mud and rocks underground. It can wash away the dirt under a building or a road. The ground caves in. Sometimes there is a warning. But this deep sinkhole suddenly opened up near the Hospital of the Sea in Naples, Italy. No people were in the lot when that happened. And everyone at the hospital was safe too. Some Old Testament men sinned against God. Read the story of a kind of sinkhole in Numbers 16.