May 25 2013

China

Rapa Valley,Sarek National Park,Lapland Province,Sweden

(© Johan Assarsson/Getty Images)

Australia,Canada,Germany,United Kingdom

Business District,Singapore

(© Albert Rene Ibanez)

Japan

Charco de los Ciclos (also known as “Green Lagoon”) on Lanzarote,Canary Islands,Spain

(© Marco Pavan/4Corners)

New Zealand,United States

Ounianga Serir Lakes in Northern Chad

(© George Steinmetz/Corbis)

 France

Polar Bear Mother and Cubs near Hudson Bay,Canada
(© Kennan Ward/Corbis)