May 20 2013

New Zealand

Lady Musgrave Island Coral Atoll in Capricorn-Bunker Group,Great Barrier Reef Marine Park,Queensland,Australia

(© D. Parer & E. Parer-Cook/Superstock)

Australia,Canada,China,Germany,France,Japan,United Kingdom

Bloom of Moon Jellyfish Swimming at night in Prince William Sound,Alaska,US

(© Hiroya Minakuchi/Minden Pictures)

United States

Workers in Terraced Rice Fields,Bali,Indonesia

(© Denis Waugh/Getty Images)