The Forbidden City in Beijing is the royal palace of the Ming and Qing Dynasties in China. It was formerly known as the Forbidden City. It is located in the center of Beijing's central axis and is the essence of ancient Chinese palace architecture. The Forbidden City in Beijing is centered on the three main halls. It covers an area of 720,000 square meters and has a construction area of about 150,000 square meters. There are more than 70 large and small palaces and more than 9,000 houses. It is one of the largest and most preserved ancient wooden structures in the world.