Introduction to the church hall: The interior of the church is in the shape of a Latin cross. Its vaulted roof weighs 14,000 tons and is supported by 12 marble pillars 24 meters high and 3.5 meters in diameter. Five corridors are formed underneath them; the length of the main hall is 148 meters, 61.5 meters wide and 46.8 meters high, with an area of 11,700 square meters and can accommodate 35,000 people at the same time. On both sides of the hall are some small chapels and celebrity cemeteries. The entire hall is beautifully decorated, with more than 800 statues alone. There are 24 stained glass picture windows more than 20 meters high.