Constructed about 4,000 years ago on Salisbury Plain in southern England, Stonehenge stands as an astronomical monument. Alignments of various stones point to locations where the sun and moon rise at key times throughout the year.
The central avenue of Stonehenge points to the northernmost rising of the sun. At the summer solstice, observers can see the rising sun dramatically skim a large outlying marker known as the Heel Stone, framed by the monument's ancient pillars.
Heel Stone.
Stonehenge, Summer 1975. Photo by D. Kane.
Photos by I. Peterson
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