Visitors watch a wood house at China Tourism Industries Festival in Tianjin, North China, Sept 20, 2012. The three-day festival, which kicked off on Thursday, attracted 500 enterprises from home and abroad. (Xinhua/Zhang Chaoqun)

People visit a motor home at China Tourism Industries Festival in Tianjin, north China, Sept 20, 2012. The three-day festival, which kicked off on Thursday, attracted 500 enterprises from home and abroad. (Xinhua/Zhang Chaoqun)