what contributions has China made to architecture?

China made great contributions to the architecture. Many great buildings and projects were made in ancient China and modern China to attract many visitors every day. The representatives of antient ones are Great Wall of China, Forbidden City, Temple of Heaven and Summer Palace in Beijing, Pingyao Ancient City in Shanxi Province and Potala Palace in Lhasa. The modern ones are Bird Nest and Water Cube in Beijing, Oriental Pearl TV Tower and Jinmao Tower in Shanghai and Guangzhou Tower in Guangzhou!