People mark the National Independence Day in Warsaw Demonstrators burn flares during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Jedrzej Nowicki/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. JEDRZEJ NOWICKI
People mark the National Independence Day in Warsaw A demonstrator carries a Polish flag during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Jedrzej Nowicki/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. JEDRZEJ NOWICKI
People mark the National Independence Day in Warsaw Police officers take position as they clash with demonstrators during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. The sign reads: "God, Honour, Fatherland". Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI
People mark the National Independence Day in Warsaw Demonstrators hold a banner while riding in cars during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI
People mark the National Independence Day in Warsaw People wave flags and burn flares during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI
People mark the National Independence Day in Warsaw Smoke from flares rises as police officers stand guard during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI
People mark the National Independence Day in Warsaw Demonstrators hold a banner while riding in cars during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI
People mark the National Independence Day in Warsaw Paramedics assist an injured man during a march marking the National Independence Day in Warsaw, Poland November 11, 2020. Slawomir Kaminski/Agencja Gazeta/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. POLAND OUT. NO COMMERCIAL OR EDITORIAL SALES IN POLAND. SLAWOMIR KAMINSKI