Which city was ancient health?

Health is also called keeping in good health. This is Nanjing.

Nanjing, the name of the Six Dynasties, is the capital of Wu Dong, Jin Dong, Liu Song, Nanqi, Nanliang and Chen Nan. It was the economic, cultural, political and military center of China at that time, the first city with a population of over one million in the world, and the largest city in the world at that time.

Business:

As the capital of China in the Six Dynasties, Jiankang City has been developing continuously for more than 300 years, with prosperous business, talented people and cultural relics, and has become the political, economic and cultural center of China.

Jiankang was the largest commercial city in China at that time. There are four cities in the city, there are more than 100 large markets on the north bank of Qinhuai River, and there are more than 10 small markets. The market is diverse and professional, and some commodities have special markets. Commodities include grain, silk, celadon and paper in the three or five areas, copper and iron ore in the middle reaches of the Yangtze River, overseas spices and treasures.