In the period of 47 years since the construction of the greatest residues in the land, the majority of other residues in the country were built on January 27, 1978 (December 19, 1977) in Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province of Hanoi Province