Kunming Lake occupies two-thirds of the total area of the Summer Palace. Kunming Lake is divided into the East Bank and the West Bank. There are famous stone bridges along the bank, each with different characteristics. The main ones are 1. Mirror Bridge, which was first built during the Qianlong period and rebuilt during the Guangxu period. 2. Lian Bridge, which was also rebuilt during the Guangxu period. There is a four-cornered double-eaved bridge pavilion on the bridge. 3. Liu Bridge, which has the same history and shape as Lian Bridge. 4. Xiuyi Bridge, which is a stone arch bridge and is the main water and land transportation route between Changhe River and Kunming Lake. 5. Seventeen-Arch Bridge, which connects the East Bank and Nanhu Island, is more than 150 meters long and has more than 500 stone lions carved on it. 6. Xing Bridge. 7. Banbi Bridge, located on the north side of the Suyunyan City Gate of the Summer Palace, is also a stone arch bridge. There is also a Lin Biao Bridge, located a few steps east of the Banbi Bridge. It was built in 1970. It is a steel frame cement structure flat bridge built to facilitate Lin Biao's visit to the Summer Palace. 8. Jiehu Bridge, named for its location at the boundary between the inner and outer lakes. 9. Yudai Bridge, under which is the entrance to Kunming Lake, where the emperors and empresses of the Qing Dynasty entered and left Yuquan Mountain. The various bridges on Kunming Lake set off the style of the Summer Palace and add brilliant colors to the landscape of the royal garden.