Du Hang Pagoda - Great pagoda of Hai Phong, (121, Du Hang street). Official name: Phuc Lam (Forest of happiness). Built under the Tran (1225 - 1400), There are, in its precinct, 3 stupas dedicated to Three Patriarchs of the Thien sect of Truc Lam (Tran Nhan Tong, Phap Loa, Huyen Quang) whose statues are found in the house of cult.