i like the introduction. my relatives and uncles, cousins work in liu2 jia1 xia2 reservoir. This reservoir is so popular in local gansu province, China. BUT I NEVER KNOW THAT liu2 jia1 xia2 reservoir is located in linxia city, . first time to know my cousins and uncles are residents and citizen of linxia city, gansu province, China. thanks for sharing.