diver

A diver performs with sardines as part of summer vacation events at an Coex Aquarium in Seoul, South Korea, Wednesday, July 31, 2013.

Ahn Young-joon/AP

A diver performs with sardines as part of summer holiday events at Coex Aquarium in Seoul, South Korea.

A teenager living in a squatters area jumps from the railing of a bridge into murky waters off Manila Bay during summer in Tondo...A teenager living in a squatters area jumps from the railing of a bridge into murky waters off Manila Bay during summer in Tondo, Manila April 30, 2013.

Erik De Castro /Reuters

A teenager living in a squatter area jumps from the railing of a bridge into murky waters off Manila Bay during summer in Tondo, Manila.