Introduction to Zhongshan Road: The road running in a straight north-south line with the Zhanqiao is Zhongshan Road. It is an old commercial street in Qingdao with a history of more than 100 years. After Germany occupied Qingdao, in order to build a deep-water dock in Houhai, a north-south road was opened in 1899. This was the prototype of Zhongshan Road. To the south of Dexian Road is a German residential area, named "Federi Street". To the north of Dexian Road is a Chinese residential area, called Dama Road. In 1922, the two roads merged together and were named Shandong Road. . In 1929, in memory of Dr. Sun Yat-sen, it was renamed Zhongshan Road. Zhongshan Road is more than 1,300 meters long, with 63 buildings and more than 160 shopping malls. It is currently one of the most prosperous places in the old urban area. From this point of view, the trestle has become the transition between the sea and the street. It closely connects the sea and land. The tallest building on Zhongshan Road is the "Parkson Commercial Building". Opened in September 1998. It is one of the first 18 joint venture retail enterprises in the country approved by the State Council. It is a joint venture between Qingdao First Department Store and Malaysia's Golden Lion Group, with a total investment of 780 million yuan. It has 5 underground floors, 49 floors above ground, and a construction area of 120,000 yuan. square meters, the shopping mall area is 50,000 square meters. It was known as the "First Floor of Qilu Commercial Building" at the time.