Members of the Impression Sanjie Liu performing a light and sound show directed by Zhang Yimou, Yangsuo, China

Members of the Impression Sanjie Liu performing a light and sound show directed by Zhang Yimou, Yangsuo, China

Vernadsky Research Base (Akademik Vernadsky), Ukrainian Antarctic Station at Marina Point on Galindez Island in the Argentine Islands, Antarctica

Vernadsky Research Base (Akademik Vernadsky), Ukrainian Antarctic Station at Marina Point on Galindez Island in the Argentine Islands, Antarctica

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Maps. Svalbard archipelago . Longyearbyne, Svalbard, Norway

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Maritime navigational instruments . Longyearbyne, Svalbard, Norway

Arctic Cirle on board the Clipper Odyssey, map, charts, Arctic Circle (Bering Sea) Russia, Asia

Maps. Svalbard archipelago . Longyearbyne, Svalbard, Norway

Photovoltaic, modules directed on different stands or racks on green meadow

Footprints in the sand, Kniepsand beach, Amrum Island, Nordfriesland, North Frisia, Schleswig-Holstein, Germany, Europe

The Petrel and the Guillamont, two pulling boats, part of the Chewonki Foundation's fleet, head out of Wiscasset on an orientation trip for Bodwin College freshmen. The boats sail down the Back River. This non-profit Foundation, formerly a boys camp where Roger Tory Peterson directed the nature program in the 1920's, provides environmental programs throughout the year for a diverse number of groups throughout Maine and offers participation in residential and non-residential programs in environmental education.