Chengyang wind and rain Bridge is also called Yongji Bridge or Panlong Bridge. It was built in 1916, and it is the best one among the wind and rain bridges in Dong stockade villages. At present, it is the largest wind and rain bridge also it is the crystal of Dong people's wisdom; it is one of the artistic precious things of Chinese wood architecture. Sanjiang county: Sanjiang is located at the connecting point North of Guangxi, Hunan and Guizhou; Sanjiang Dong Minority Autonomous County is 2 hours northwest of Gulin, it is an autonomous region mainly consisting mainly of Dong Ethnic Tribe. The Dong comprise over 50% of the county's 300, 000 inhabitants. Itinerary: 8:30--10:30: Guilin--Chengyang Dong village. 10:30--15:00: Visit the Dong village & Chengyang bridge & Have a lunch at the village. 15:00--17:30: Back to Guilin hotel. P.S: If start from Yangshuo then need 1.5hrs driving more for the day tour.