Lung Cu
Lung Cu flagpole is a flagpole country located at the top of Lung Cu mountain aka Dragon (Long Son) have a height of about 1,700 m over sea level, the commune of Lung Cu , District Council Office , the province of Ha Giang , where the northernmost point of Vietnam . Since flagpole atop 02 looking down the mountain sides around the pond in shallow water never called dragon eye, is the source of water for the use of the two peoples.