people in a pool

BERLIN, GERMANY – JULY 27: Louis (L), 2, and his sister Clara, 4, cool off in the shallow pool with their parents at the Freibad Kiebitzberge outdoor public pool on July 27, 2013 in Berlin, Germany. Central Europe is currently experiencing a heat wave that is predicted to bring temperatures to 40 degrees Celsius by tomorrow and in some regions will likely break local records. (Photo by Sean Gallup/Getty Images)