Teenagers play volleyball as they cool themselves down in the fountain of the Trocadero esplanade in Paris with the Eiffel Tower in the background. Forecasters say Europeans will feel sizzling heat this week with temperatures soaring as high as 40 degrees Celsius (104 degrees Fahrenheit) in an "unprecedented" June heatwave hitting much of Western Europe.

(Photo by Kenzo TRIBOUILLARD / AFP) (Photo credit should read KENZO TRIBOUILLARD/AFP/Getty Images), 1151875491