Dr. Sun Yat-sen's Mausoleum is located on the southern slope of the Middle Mao Peak of Zhongshan Hill. It is the mausoleum of Dr. Sun Yat-sen, the great forerunner of the democratic revolution. The construction of the mausoleum began in January 1926, and the main structure was completed in spring 1929. The enthronement ceremony was held on June 1st of the same year. Subsequent construction continued until the end of 1931. Covering an area of 2,000 acres, the mausoleum is built along the mountainside, facing a flat plain in front and backed by green hills, presenting a majestic appearance. The layout of the mausoleum's buildings is symmetrical, with a total horizontal distance of 700 meters and a vertical height difference of 70 meters from the archway, funeral path, mausoleum gate, and monument pavilion to the sacrificial hall and tomb chamber. There are 392 stone steps and 10 platforms, all constructed with white granite and reinforced concrete and covered with blue glazed tiles. Dr. Sun Yat-sen Mausoleum has been listed as one of the first key cultural relics protection units in China and included in the "First Batch of China's 20th Century Architectural Heritage" list. Several commemorative buildings, such as the Music Pavilion, Xingjian Pavilion, Guanghua Pavilion, Liuhuixie Pavilion, and Sutra Pavilion, are located nearby.