成都发现唐代城市排水渠最近，成都大科甲巷一建筑工地在现地面以下两米多处发现保存相当完好的唐代排水渠。经市文物考古队发掘清理，发掘总面积上千平方米，揭露出渠道１５０多米，渠线顺直，渠宽约１．２～１．４米，渠底为夯土，侧墙为砖砌，高约１．０～１．３米，上... Chengdu found urban drainage channels in the Tang Dynasty Recently, a construction site in Chengdu Dike A Lane found a well-preserved drainage channel in the Tang Dynasty at more than two meters below the surface. The city’s cultural relics and archaeological team excavated and cleared the site, excavated a total area of ​​more than one thousand square meters, revealed more than 150 meters of channels, the drainage line was straight, the drainage width was about 1.2 to 1.4 meters, the bottom of the drainage system was alum, and the side walls were brickwork. , about 1.0 to 1.3 meters high, on ...