6 o'clock. People in Chongqing have a faster pace of work and life. Many people are in a hurry in the morning, so breakfast is served earlier. As a typical breakfast city, breakfast shops in Chongqing start to open at 6 am. Chongqing, referred to as "Chongqing", is also known as the mountain city. It is a provincial administrative region, municipality directly under the Central Government, national central city and megacity of the People's Republic of China, one of the important national central cities approved by the State Council, an economic center in the upper reaches of the Yangtze River, a national historical and cultural city, an important modern manufacturing base in the country, a core city of the twin-city economic circle in Chengdu and Chongqing, a financial center in the west, an international comprehensive transportation hub in the west and an international gateway hub.