October 26 2013

Chins

Abacus

(© William James Warren/Science Faction/Corbis)

Germany

Footpath through the Cares Gorge (Garganta del Cares) in the Picos de Europa National Park,Castile and Leon,Spain

(© Sebastian Wasek/SuperStock)

Australia,Canada,France,Japan,United Kingdom

Aerial view of the Tobago Cays Group of Islands,St. Vincent and the Grenadines

(© Yann Arthus-Bertrand/Corbis)

New Zealand,United States

Termite Mounds and Snappy Gums in Savannah Grassland,Gulf Country,Queensland,Australia

(© Bill Bachman/Alamy)