Man on scooter falling into a huge sink hole - Viral Videos

A CCTV video showing a man falling into a sink hole while riding his scooter in a Chinese town.
As you can see, the road opens up very quickly not giving enough time for the rider to stop his vehicle.
A man seems to carefully walk toward the sink hole...

What is a sink hole?

A sink hole is a cavity in the ground caused by water erosion, they can vary in size, from 1 meter up to 600 meters wide.
Sink holes are found all over the world, many people have died by falling in sink hole that formed on the road or sometimes even below houses.