Penguins cool off in the shade during a heatwave at the Warsaw Zoo in Warsaw, Poland, June 28, 2026. (Photo by Jaap Arriens/Xinhua)A kangaroo rests in the shade during a heatwave at the Warsaw Zoo in Warsaw, Poland, June 28, 2026. (Photo by Jaap Arriens/Xinhua)A penguin gasps for air during a heatwave at the Warsaw Zoo in Warsaw, Poland, June 28, 2026. (Photo by Jaap Arriens/Xinhua)A seal swims in its enclosure during a heatwave at the Warsaw Zoo in Warsaw, Poland, June 28, 2026. (Photo by Jaap Arriens/Xinhua)
A black swan is seen in a shaded pond during a heatwave at the Warsaw Zoo in Warsaw, Poland, June 28, 2026. (Photo by Jaap Arriens/Xinhua)■
