- Nanjing, China -

Nanjing, referred to as "Ning" for short, is the capital, sub-provincial city and megacity of Jiangsu Province, the core city of Nanjing metropolitan area, and also the important central city in eastern China, the national important scientific research and education base and comprehensive transportation hub approved by the State Council. Nanjing is known as "the ancient capital of six dynasties" and "the metropolis of ten dynasties", with a long history and profound cultural heritage. In addition, Nanjing is a city with modern characteristics, with rapid economic development and strong comprehensive strength, and has won many honorary titles.