How many colorful parks in Beijing have dancing, opera and singing?

Follows:

1. Longtan Park: There is an activity area for the elderly on the west side inside the south gate, where a lot of middle-aged and old people dance, sing and sing every morning.

2, Youth Lake Park: there is also a senior activities area, there will be a lot of middle-aged and old people in the morning dancing, singing and other activities.

3, Olympic Forest Park: this park is a large area, every morning there will be a lot of middle-aged and old people in different areas for dancing, singing and other activities.