The Zurich Cathedral is famous for its unique Romanesque twin towers, hence the name Twin Towers or Grosse Cathedral, which is the landmark of Zurich. The Zurich Cathedral was built in the Carolingian period around 1100 AD. According to legend, Charlemagne discovered the tombs of the Zurich martyrdoms Felix and Regula, where a monastery for choir singers was built. In the first half of the 16th century, the religious revolution in the German-speaking part of Switzerland began in the Zurich Cathedral. Today, the Cathedral has become part of the Theological Seminary of the University of Zurich. The sun shines through the arched windows at the top of the church, and the church is bright. The cylindrical chandelier that hangs down from the vault brings light to the bottom where the sun can't reach. Spend 2 and you can take a look at the clock tower. The entrance to the clock tower is very narrow, the door frame is only about 1.7 meters * 1 meter, and the head is taller and lower. On the top of the clock tower, the scenery on both sides of the Limmat and the beauty of Lake Zurich are unobstructed. The top of the clock tower is a regular square with a small terrace for two people standing in each direction. Don't want to miss every landscape, leaving unforgettable images in each of the four directions. The clock tower is nearly 100 meters high, and the line of sight can reach several kilometers. The north side of the church is the densely populated city of Zurich, and the south is the endless blue lake of Zurich. On the west is the bustling Bahnhofstrasse, and on the east there is the Yutli Mountain, the commanding height of Zurich.