The remain of the damaged vehicle can be see at the site of road accident in Wumeng Township under an industrial and tourist development zone near Kunming, capital of Yunnan, on Feb. 6, 2013. Twelve people were killed and three others injured after a vehicle fell off a mountain cliff in Yunnan Province on Wednesday afternoon. (Xinhua)

Policemen inspect the site of road accident in Wumeng Township under an industrial and tourist development zone near Kunming, capital of Yunnan, on Feb. 6, 2013. Twelve people were killed and three others injured after a vehicle fell off a mountain cliff in Yunnan Province on Wednesday afternoon. (Xinhua)

People gather around the site of road accident in Wumeng Township under an industrial and tourist development zone near Kunming, capital of Yunnan, on Feb. 6, 2013. Twelve people were killed and three others injured after a vehicle fell off a mountain cliff in Yunnan Province on Wednesday afternoon. (Xinhua)