Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

A demonstrator participates in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

A demonstrator participates in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)

Demonstrators participate in a Black Lives Matter protest in Brussels, Belgium, June 7, 2020. Thousands of people on Sunday joined a Black Lives Matter protest over the death of George Floyd in front of the Palace of Justice in Brussels in Belgium. (Xinhua/Zheng Huansong)