hot

Hot air balloons lift off during a mass ascent at the 36th International Balloon Fiesta at the Ashton Court Estate near Bristol, which is Europe's largest ballooning event.

Ben Birchall/PA

Hot air balloons lift off during a mass ascent at the 36th International Balloon Fiesta at the Ashton Court Estate near Bristol, which is Europe’s largest ballooning event which officially begins on Friday

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

An Indian boy drinks water on a hot summer day, as his family of trinket sellers rest nearby in New Delhi, India,Tuesday, May 7, 2013.

Tsering Topgyal/AP

An Indian boy drinks water on a hot summer day, as his family of trinket sellers rest nearby in New Delhi, India.