People walk on the Grand Place in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A man wearing a mask walks near the European Parliament in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
People wearing masks walk on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A man walks near the European Parliament in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A man wearing a mask walks on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A man wearing a mask walks on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A woman wearing a mask walks on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A woman wearing a mask walks on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)
A man wearing a mask walks on a street in Brussels, Belgium, Oct. 16, 2020. (Xinhua/Zheng Huansong)