People are seen in a park in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zheng Huansong)

People wearing face masks walk on a street in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

A woman wearing a face mask is seen in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

A woman wearing a face mask walks past a shop in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

People wearing masks cross a street in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zheng Huansong)

A man wearing a mask walks past a closed shop in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zheng Huansong)

People wearing face masks play with a dog in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

A woman wearing a face mask walks past a closed cafe in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

A man wearing a face mask walks on a street in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)

A woman wearing a mask walks in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zheng Huansong)

People wearing face masks wait at a bus stop in Brussels, Belgium, Nov. 8, 2020. According to the public health institute Sciensano on Nov. 9, 2020, Belgium has recorded 500,789 COVID-19 cases since the beginning of the epidemic. (Xinhua/Zhang Cheng)