Palestinian kids play in a swimming pool to cool themselves off in the West Bank village of Albathan near Nablus June 21, 2010. Monday was the summer solstice and saw temperatures as high as 38 degrees Celcius (100 Fahrenheit) being recorded. REUTERS/Abed Omar Qusini (WEST BANK - Tags: ENVIRONMENT SOCIETY)
Two young men jump from atop a bridge into the Reuss river during sunny summer weather near the village of Rottenschwil, west of Zurich July 2, 2010. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SOCIETY ENVIRONMENT)
A woman sunbathes on a rock on a hot summer day in Civitavecchia, northern Rome, July 5, 2010. REUTERS/Giampiero Sposito (ITALY - Tags: ENVIRONMENT)