ballons

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 balloon-seller cycles along a street during wet weather in Beijing on June 7, 2013. More than two-thirds of Beijing's annual rainfall happens in June to August, breaking the city's otherwise dry and arid climate.

Ed Jones/AFP

A balloon-seller cycles along and a women takes a stroll on a wet Beijing street on Friday. More than two-thirds of the city’s annual rainfall falls in June to August, breaking the city’s otherwise dry and arid climate