Is there a place for ballroom dancing in Jinan in the afternoon?

Riverfront Park. There is a place for ballroom dancing in Jinan in the afternoon. It's near the Riverside Park, and there's a small square in it that you can enter through the east gate, and then walk south for about 20 meters. You can see that every afternoon, people dance here, and sometimes there are some square dances as well. And there is a large number of people.