March 7, 2017, Fairbanks, Alaska, USA. The Trans-Alaska Pipeline (Alyeska pipleline or Trans Alaska Pipeline) north of Fairbanks. The 48-inch line was built from 1974-77 and runs 800 miles from Prudhoe Bay to Valdez. It is built to withstand temperatures of minus-80 to 95 degrees Fahrenheit. Photo by Jay Christensen
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