People have fun at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)

People have fun at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)

A man and his child have fun at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)

Kids have fun at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)

A kid plays around a fountain at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)

A man and his child have fun at a park in Johannesburg, South Africa, Oct. 10, 2020. (Xinhua/Chen Cheng)