The Ministry of Culture, Sports and Toruism has just listed Kim Ngan Communal House and Tu Thi Communal House in the capital Hanoi as National Historical Relic Sites.

Kim Ngan Communal House, located on 42 Hang Bac Street, Hoan Kiem District, was built at the end of the Later Le Dynasty. 

It worships Mr. To Bach Nghe, the ancestor of goldsmith in Vietnam.

Tu Thi Communal House, built in the 16th century, is situated on 2A Yen Thai Street, Hoan Kiem District. The site is dedicated to the ancestor of embroidery in the country.