(TITC) - Located in Lung Cu Commune – the north pole of Viet Nam, belonging to Dong Van District, Ha Giang Province, about 160km to the north-east of Ha Giang City, Lung Cu Flag Tower is built in the peak of Rong (Dragon) Mountain at an altitude of nearly 1,700m. This is the landmark with important historical significance, marking Viet Nam’s territorial sovereignty.