请列出北京的5个著名景点，并用英文回复，每行一个景点，景点名称后加逗号，然后是景点的一到两句话的简短介绍。
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Forbidden City, located in the heart of Beijing, is a vast complex of palaces and ceremonial buildings, symbolizing China's feudal society for nearly 500 years.

Great Wall, at Badaling, is a series of stone and earthen fortifications built to protect ancient Chinese states and empires against invasions.

Temple of Heaven, a complex of Taoist buildings, served as an imperial venue for祭天 (Heaven Worship) ceremonies and symbolizes the relationship between earth and heaven.

Summer Palace, a former royal garden, is an exquisite example of imperial gardens with magnificent natural landscapes and rich cultural interests.

Tiananmen Square, one of the largest city squares in the world, stands as a symbol of China's political significance and modern history.
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