Introduction to Honglou Cathedral: Honglou Cathedral is one of the three famous Catholic churches in China. It is a twin-tower Gothic building. The entire building is magnificent and majestic. It basically belongs to the Gothic architectural style of Europe from the 12th to the early 16th century. The towering dome is covered with religious murals, and the slender columns are covered with exquisite carvings, filling it with a mysterious religious atmosphere. There is ample lighting inside the church, and its windows are inlaid with colored glass, which produces a strong light and color effect under the sunlight. At sunrise, the altar at the east end is brilliant and colorful; at sunset, the entrance at the west is overflowing with brilliance.