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What is the other name of the Imperial Palace in Beijing called? (the famous one, grand old city)
The Forbidden City/紫禁城
The Chinese name literally means "Purple Forbidden City", purple being the color related to emperor due to ancient Chinese astrology. It's build in 1406, and now still open, functioning as one the nation's most important museums.
During the Second Opium War(1860), British and French troops invaded the city and considered burn down the whole Forbidden City. They burnt down the Old Summer Palace(圆明园) instead.