June 21, 2017

Solstice Marker

Stonehenge, Wiltshire, England, 1975.

The central avenue of Stonehenge points to the northernmost rising of the sun. At the summer solstice, observers can see the rising sun skim a large outlying marker known as the Heel Stone, framed by the monument's ancient pillars.

See also "Stonehenge Cycles."

Photos by I. Peterson

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