This building is one pillar pagoda or "Chua Mot Cot", a very famous symbol of old architecture of Viet Nam build in 1049. It's placed in the center of a square lotus lake dam near Ho Chi Minh mausoleum. The king build it to wish for a son at that time, and many young couples nowaday still visit there as a symbol of good birth. The structure of the pagoda is special at that time, which opposite the common standards which the building should based on balance and stable land. The shape represent for a lotus, that's the reason for this one pillar structure.