Mayor of London Sadiq Khan attends a press conference at the Polin Museum of the History of Polish Jews on 2nd September, 2019 in Warsaw, Poland. The mayor of London who visited Poland for the 80th anniversary of the outbreak of World War II said he and the mayor of Warsaw have a great deal in common, despite different ethnic backgrounds, different religions and running different cities. (Photo by Beata Zawrzel/NurPhoto via Getty Images)
