Ham Long Church is a church of the Roman Catholic Church, belonging to the Archdiocese of Hanoi, Vietnam. This is one of the big churches in Hanoi. It is noteworthy that here people use a lot of construction materials in folk such as: lime straw, bamboo, ban paper ... to create arches, creating a reflection effect when performing rituals without the need for equipment. modern sound. The columns and altars are decorated with rope motifs like the Franciscan lace.