Doug Allan / Two scientists from the British Antartic Survey walking across the Sunshine Glacier, Coronation Island, South Orkneys Antarctica.

Doug Allan / Antarcturus isopod (Antarcturus sp.) standing on seaweed with other isopods, Signy Island, South Orkneys, Antarctica, Southern Ocean, June 1980.

Doug Allan / Giant antarctic sea spider (Decolopoda australis), Signy Island, South Orkneys, Antarctic, Southern Ocean, June 1980.

Doug Allan / Gentoo penguins (Pygoscelis papua) returning over sea ice to breeding colony, Signy Island, South Orkneys, Antarctica, December.

Doug Allan / Man outside tent watches lenticular clouds forming over Coronation Island at sunset, South Orkneys, Antarctica.