Video caught girl falling through pavement

A teenage girl has fell into an underground cavern in northern China as she was walking on an ordinary sidewalk on an ordinary street. The teenager was walking by a road in the city of Xi'an when she suddenly vanished through the pavement and had to be rescued.


Video on BBC news.
http://www.bbc.co.uk/news/world-asia-17827983

How did that happen?Oh,what's a tragedy.

It is all in the video.

Nobody was hurt. So there is no tragedy.

The girl was in fear,at that time,she must feel very tragic.Fortunately,she was saved in the help of the taxi driver and rescues.