closed circle

Parch marks in the grass at Stonehenge following a dry summer have helped solve a centuries-long puzzle about whether Stonehenge was ever a complete circle, according to a news report in The Telegraph. The parch marks - areas where the grass does not grow as strongly as in other areas during hot weather - reveal places where the missing sarsen stones may have once stood. Although a large number of stones survive at Stonehenge, the monument is nowhere near complete. This has led many authors over the last few centuries, such as John Wood (1747), William Hinders Petrie (1880), and Christopher Tilley and colleagues (2007) to question whether the monument was ever finished. This non-completion theory is based on the