Kayakers paddle on the Vistula River in Warsaw, Poland, July 14, 2024. (Photo by Jaap Arriens/Xinhua)
Kayakers paddle on the Vistula River in Warsaw, Poland, July 14, 2024. (Photo by Jaap Arriens/Xinhua)
People cool themselves off along the Vistula River in Warsaw, Poland, July 14, 2024. (Photo by Jaap Arriens/Xinhua)
People cool themselves off along the Vistula River in Warsaw, Poland, July 14, 2024. (Photo by Jaap Arriens/Xinhua)