A car falls in a hole while the road caves in in Guilin, Guangxi Zhuang autonomous region in China on June 7, 2012. The hole was 4 meters length, 2.5 meters width and 2 meters depth. Local government officials and transportation patrols quickly proceeded to go to the site for rescue. The road was eroded by prolonged rains. The driver, the only person in the car, was injured and hospitalized. [Photo/CFP]
Here are the photos of the accident:
What do you think might be the cause of the pit/hole creation of the road?