People gather to commemorate the Warsaw Uprising in Warsaw,royal challengers bangalore wpl Poland, on Aug. 1, 2024. The Warsaw Uprising, which began on Aug. 1, 1944, was the largest underground military operation in German-occupied Europe. (Photo by Jaap Arriens/Xinhua)

People gathering to commemorate the Warsaw Uprising are reflected in the sunglasses of a resident in Warsaw, Poland, on Aug. 1, 2024. The Warsaw Uprising, which began on Aug. 1, 1944, was the largest underground military operation in German-occupied Europe. (Photo by Jaap Arriens/Xinhua)

People gather to commemorate the Warsaw Uprising in Warsaw, Poland, on Aug. 1, 2024. The Warsaw Uprising, which began on Aug. 1, 1944, was the largest underground military operation in German-occupied Europe. (Photo by Jaap Arriens/Xinhua)

People view vintage military vehicles on display to commemorate the Warsaw Uprising in Warsaw, Poland, on Aug. 1, 2024. The Warsaw Uprising, which began on Aug. 1, 1944, was the largest underground military operation in German-occupied Europe. (Photo by Jaap Arriens/Xinhua)

People gather to commemorate the Warsaw Uprising in Warsaw, Poland, on Aug. 1, 2024. The Warsaw Uprising, which began on Aug. 1, 1944, was the largest underground military operation in German-occupied Europe. (Photo by Jaap Arriens/Xinhua)

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