A sculpture of former Belgian King Leopold II is seen covered by a blanket after it was damaged in the park of the Africa Museum in Tervuren, near Brussels, Belgium, June 4, 2020. REUTERS/Francois Lenoir

A combination picture shows a sculpture of former Belgian King Leopold II covered by a blanket after it was damaged on June 4, 2020 (Top) and before on January 22, 2014 (Bottom) in the park of the Africa Museum in Tervuren, near Brussels, Belgium. REUTERS/Francois Lenoir

A sculpture of former Belgian King Leopold II is seen covered by a blanket after it was damaged in the park of the Africa Museum in Tervuren, near Brussels, Belgium, June 4, 2020. REUTERS/Francois Lenoir

A sculpture of former Belgian King Leopold II is seen covered by a blanket after it was damaged in the park of the Africa Museum in Tervuren, near Brussels, Belgium, June 4, 2020. REUTERS/Francois Lenoir

A damaged sculpture of former Belgian King Leopold II is seen in Ekeren, near Antwerp, Belgium, June 4, 2020. REUTERS/Bart Biesemans

A damaged sculpture of former Belgian King Leopold II is seen in Ekeren, near Antwerp, Belgium, June 4, 2020. REUTERS/Bart Biesemans

A person wearing a protective face mask walks past the statue of Belgian King Leopold II, near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A person wearing a protective face mask walks past the statue of Belgian King Leopold II, near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near the Brussels' Royal Palace, in Brussels, Belgium June 4, 2020. REUTERS/Yves Herman

A statue of Belgian King Leopold II is seen near the Brussels Royal Palace in Brussels, Belgium June 4, 2020, REUTERS/Yves Herman

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Stephanie of Monaco, Andrea Casiraghi, his wife Tatiana Santo Domingo and Pierre Casiraghi, Louis Ducruet and his wife Marie, Pauline Ducruet and Camille Gottlieb, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Pauline Ducruet and Pierre Casiraghi, wearing protective face masks, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Louis Ducruet and his wife Marie, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Stephanie of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Stephanie of Monaco, Andrea Casiraghi and his wife Tatiana Santo Domingo, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Stephanie of Monaco, Andrea Casiraghi, his wife Tatiana Santo Domingo and Pierre Casiraghi, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Stephanie of Monaco and Andrea Casiraghi, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Pauline Ducruet and Camille Gottlieb, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, pose with Louis Ducruet and his wife Marie, Camille Gottlieb, Pauline Ducruet and Princess Stephanie of Monaco Andrea Casiraghi and his wife Tatiana Santo Domingo, Pierre Casiraghi, Monaco State Minister Serge Telle and Jean Luc Biamonti, Delegate President of Societe des Bains de Mer (SBM), during the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, pose with Louis Ducruet and his wife Marie, Camille Gottlieb, Pauline Ducruet and Princess Stephanie of Monaco Andrea Casiraghi and his wife Tatiana Santo Domingo, Pierre Casiraghi, Monaco State Minister Serge Telle during the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, pose with Monaco State Minister Serge Telle and Jean Luc Biamonti, Delegate President of Societe des Bains de Mer (SBM), during attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Princess Charlene of Monaco, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Tatiana Casiraghi arrives to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Tatiana Casiraghi arrives to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard

Andrea Casiraghi and his wife Tatiana Santo Domingo arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard