Frightening video shows two rail passengers in South Korea fall into a sinkhole nearly 10 feet deep as they walk off a train.

Who knew getting off a bus could be so dangerous? Security cameras captured dramatic video after two people walked off a bus in South Korea and then disappeared.
The sidewalk gave way, and both fell through as witnesses looked on in shock. The victims were not seriously hurt after the 10-foot drop. Both were treated at an area hospital.