Dan Snow uncovers the lost Vikings in America with space archaeologist
Dr Sarah Parcak. Sarah uses satellites 383 miles above the earth to spot
ruins as small as 30cm buried beneath the surface. As Sarah
searches for Viking sites from Britain to America, Dan explores how
they voyaged thousands of miles when most ships never left the
shoreline. He also tracks their expansion west, first as raiders and
then as settlers and traders throughout Britain and beyond to Iceland
and Greenland. In North America they excavate what could be the most
westerly Viking settlement ever discovered.see on bbc i player
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