Forbidden City, also known as Imperial Palace, is the country's most important building. The Hall of Preserving Harmony, the five white marble Golden River, Meridian Gate, the Palace Museum and a 35-meter-tall building housing the Imperial throne are some of the major highlights. The Great Wall of China stretches more than 6,000 kilometres from the Shanhaiguan to Jianyuguan. In Hebei, Tientsin and Beijing the best preserved sections of the wall can be visited. This historic wall boasts numerous battlements and watchtio. The most visited sections of the wall are near Badaling Pass, Guneikou and in Mutianyu. After a hilly walk you can take a pleasant cable-car ride up to the wall. Summer Palace, located in Beijing, is one of China's most visited attractions. Surrounded by a pristine lake, this palace is a splendid sight to behold. Some highlights include Hall of Happiness and Longevity (Le Shou Tang Hall), Hall of Benevolence and Longevity (Renshou Dian), among others. The Classical Gardens of Suzhou, a UNESCO World Heritage Site, were established in the 11tg century. The Garden of Lingering and Garden of the Cang Lang Ting Pavilion are worth exploring for their natural splendour. Tiananmen Square is the world's largest inner-city square. Monument of the People's Heroes, Tiananmen Gate and a tall obelisk are the prime attractions. The Mausoleum of Light, also known as the Northern Imperial Tomb, is one of China's most important historic sites. It has a unique architectural style. Chengdu Wuhou Shrine is one of Chengdu's oldest temples. The vast temple complex boasts several interesting features including its large central hall. The Ruins of St. Paul's standing at the top of broad granite steps is an iconic landmark of Macau. Its imposing Renaissance facade still displays a little of the cathedral's former glory. The Terracotta Army, Potala Palace, Jewel Gardens, Yu Garden, Luodai Ancient Town, Jiezi Ancient Town, Qingyang Palace, Beihai Park, Bell and Drum Towers, Yue Fei Temple, Wuzhèn Water Village, Leshan Giant Buddha, Big Buddha, Fortleza do Monte, and Guia Fortress are some of the other places with immense historical importance.