China, a large tourist country, boast numerous attractions, from historical sites, cultural sites to scenic sites. From the overwhelming Forbidden City and world-renowned Great Wall in Beijing, impressive Terracotta Warriors and Horses in Xian, the breathtaking Li River in Guilin, prosperous Bund in metropolitan Shanghai, majestic Yangtze River, to captivating water-town in Suzhou, mesmerizing Jiuzhaigou Valley, ancient Lijiang Old Town and mysterious Tibet. Forbidden City, located in the center of Beijing, is the largest, best-preserved in the world. The Forbidden City used to be the imperial palace of Ming Dynasty. There are four gates to enter the palace, respectively named Wu Gate in the south, the main entrance, Donghua Gate in the east, Xihua Gate in the west and Shenwu Gate in the north. The Wu Gate has five arches and the middle arch was specially constructed for the emperor