Jeff Wilson / 'Ice Camp' on a National Science Foundation field training course, McMurdo station, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / McMurdo station, Ross Island, Antarctica, under Antarctic sun, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / Flim crew at 'Ice Camp' on a National Science Foundation field training course, McMurdo station, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / View out of hut window of McMurdo station in early spring light, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Norbert Wu / Research scientist Dr. Leighton Taylor in a dive hole, U.S. base at McMurdo Station, Antarctica

Norbert Wu / Research scientist Dr. Dale Stokes readies a dive hut after a blizzard, U.S. base at McMurdo Station, Antarctica

Norbert Wu / Antarctic Cod (Dissostichus mawsoni) studied by researchers at the U.S. Base at McMurdo Station, Antarctica

Norbert Wu / Research scientist makes his way through blizzard, US base at McMurdo Station, Antarctica

Doug Allan / American McMurdo Research Station, Ross Island, Antarctica, November.

Doug Allan / Chapel of the Snows at dawn, American McMurdo Research Station. Ross Island, Antarctica October.

Doug Allan / C17 Globemaster drops tailgate before staff offload cargo, ice runway, American McMurdo research station, Ross Island, Antarctica.

Doug Allan / Cargo being offloaded from C17 Globemaster, ice runway, American McMurdo research station, Ross Island, Antarctica.