Bloom

A woman walks past a "smiling" sunflower in a field in Tokyo on August 7, 2014. Some 20,000 sunflowers were enjoyed by visitors to the area this week.

Yoshikazu Tsuno/AFP

A woman walks past a “smiling” sunflower in a field in Tokyo on Thursday, where about 20,000 sunflowers were in full bloom for visitors to enjoy

A visitor photographs a floral display at the Chelsea Flower Show in London...A visitor photographs a floral display at the Chelsea Flower Show in London May 20, 2013. The annual show opens to the public on Tuesday.   REUTERS/Stefan Wermuth  (BRITAIN - Tags: ENTERTAINMENT ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY)

Stefan Wermuth/Reuters

A visitor photographs a floral display at the Chelsea Flower Show in London on Monday. The annual show opens to the public on Tuesday.