Steven Kazlowski / Trans-Alaskan Pipeline, with blooming fall tundra colours, that runs from Prudhoe Bay on the Arctic coast to Valdez at the north central coast of Prince William Sound, Alaska, USA

Ashley Cooper / Trans alaskan oil pipeline near Fairbanks, Alaska, USA, August.

Mike Potts / Trans Alaska oil pipeline Prudhoe Bay, Alaska, USA 1988

Doug Allan / Trans Alaska pipeline with insulated support structure, Fairbanks, Alaska.