August 20 2009

Australia, Germany, Japan, China

Lava overflowing caldera of Pu'u 'O'o, Kilauea Volcano, Hawaii, U.S.
Frans Lanting/Corbis ©

Canada, United States, New Zealand

Al Rawcheh Rock, Beirut, Lebanon
Paul Thuysbaert/Photolibrary ©

United Kingdom

The Maughan Library, King's College, London, U.K.
Andrew Holt/White/Photolibrary ©