Thursday 14 July 2011

Photo: Stonehenge at dusk

Stonehenge dusk

Photograph by Richard Nowitz
The 5,000-year-old Stonehenge monument in Wiltshire, England, shown here bathed in pastel twilight, has been examined by scientists for centuries. And though our understanding of the structure has increased greatly, particularly in recent years, questions persist about who built Stonehenge and why.