When exploring Chongqing travel, one attraction that combines history, culture, and food is the underground city old hot pot. Built inside a vast network of air-raid shelters, this hidden gem offers not only authentic flavors but also a unique atmosphere unlike any other restaurant in China. 1.Essential Information for Visitors Before diving into the details, here are the basics every traveler should know: Address: Underground City, No. 5 Ji’an Road, Longta Street, Yubei District, Chongqing Aver