People take part in a sport at the Cinquantenaire Park in Brussels, Belgium, on June 25, 2020. Belgian Prime Minister Sophie Wilmes announced here Wednesday the measures of Phase 4 of deconfinement that will begin on July 1. (Xinhua/Zheng Huansong)

A boy walks along the side of a football pitch at the Cinquantenaire Park in Brussels, Belgium, on June 25, 2020. Belgian Prime Minister Sophie Wilmes announced here Wednesday the measures of Phase 4 of deconfinement that will begin on July 1. (Xinhua/Zheng Huansong)

People enjoy themselves at the Cinquantenaire Park in Brussels, Belgium, on June 25, 2020. Belgian Prime Minister Sophie Wilmes announced here Wednesday the measures of Phase 4 of deconfinement that will begin on July 1. (Xinhua/Zheng Huansong)

People play volleyball at the Cinquantenaire Park in Brussels, Belgium, on June 25, 2020. Belgian Prime Minister Sophie Wilmes announced here Wednesday the measures of Phase 4 of deconfinement that will begin on July 1. (Xinhua/Zheng Huansong)

People enjoy themselves at the Cinquantenaire Park in Brussels, Belgium, on June 25, 2020. Belgian Prime Minister Sophie Wilmes announced here Wednesday the measures of Phase 4 of deconfinement that will begin on July 1. (Xinhua/Zheng Huansong)