the 1644th issue of the wechat version of cheng shangyuan is located at the ridge of xuanhui, the junction of huangshan mountains and tianmu mountains, and above the watershed between the qiantang river system and the yangtze river system. the territory is filled with mountains and rivers, and the traffic is blocked. in order to overcome nature, improve the living environment, interact with each other and connect with the outside world, the ancestors set up bridges on many streams and mountain streams. these ancient bridges have become a major regional feature of jixi. in the early 1980s, the author participated in the compilation and the jixi county transportation chronicle, and served as the chief editor, sui, sangu, ancient road, ancient bridge,...
