The entrance gate of Den Quan Thanh, i.e. a den, that is to say, a temple dedicated to a deified hero, in Hanoi.

This Taoist temple dates from the 11th century and is devoted to Bac De Tran Vo (fig.), i.e. the Vietnamese god of weather and Emperor of the North (fig.).

The inner courtyard has a lush garden and doubles as a community meeting place, where local people come to relax, socialize, meditate, and some even to practice martial arts (fig.), known in Vietnamese as vo thuat (fig.).