Xi’an, China

Xi’an, also known as Sian, is the capital of Shaanxi Province. It is one of the oldest cities in China, and the oldest prefecture capital. Xi’an is the starting point of the Silk Road and home to the Terracotta Army of Emperor Qin Shi Huang. In 2019, it was named as one. the 7 main emerging megacities, or megalopolises.