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A Hindu priest leads a goat under a tree, on a hot day, at a Hindu temple in Colombo...A Hindu priest leads a goat under a tree, on a hot day, at a Hindu temple in Colombo March 18, 2014. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: SOCIETY RELIGION ANIMALS)

Dinuka Liyanawatte/Reuters

A Hindu priest leads a goat under a tree on a hot day at a Hindu temple in Colombo, Sri Lanka

A man takes a rest in a park from the heat in Shanghai on July 2, 2013. The Shanghai Meteorological Bureau forecast a heat wave as temperatures reached 38 degrees celcius in the city according to state run media.

Peter Parks/AFP

A man takes a rest in a park from the heat in Shanghai on Tuesday. The Shanghai Meteorological Bureau forecast a heat wave as temperatures reached 38 degrees Celsius in the city according to state run media.