Highlights: The Alexander Nevsky Cathedral is located in Sofia, the capital of Bulgaria, and is an Orthodox cathedral. The church is a neo-Byzantine building. It is the main church of the Bulgarian bishop and one of the largest Orthodox churches in the world. The interior of the church is luxuriously decorated. The golden dome in the middle is 45 meters high, and the Lord's Prayer is inscribed on it. It is decorated with various colors of Italian marble, Brazilian agate, white marble and other precious materials. The church's bell tower is 53 meters high, and there are 12 bells with a total weight of 23 tons, the heavier one is 12 tons, and the lighter one is 10 kilograms, which is very spectacular.