Photo: Wojciech Olkusnik/East News Mayor of Warsaw Rafal Trzaskowski takes part in the "Great March" organised by the biggest Polish opposition party Platforma Obywatelska (Civic Platform) on June 4, 2023 in Warsaw, Poland. The march commemorates the first Polish democratic parliamentary election held on June 4, 1989 and this year is organised as a display of unity and power of oppositional political groups.