How much is the underground parking lot in Tian Huan Square?

2 yuan per hour. According to the query of Guangzhou Local Treasure Network, the underground parking charge standard of Guangzhou Tian Huan Plaza is 2 yuan per hour, and the highest charge is 50 yuan. A parking lot is a place for vehicles to park. There are simple parking lots with only painted parking spaces and no one to manage the charges, and there are also paid parking lots equipped with entrance and exit gates, parking managers and time cashiers.