Cropmark features of ring ditches in a ripening grain field

Aerial view of the discovery of an early medieval archaeological site on June 3, 2005, visible as positive crop marks of circular ditches in the ripening grain field 500 m north of Palazzo Guelfi near Scarlino, Grosseto, Tuscany, Italy. Archaeological excavations by the University of Siena were able to prove a highly significant royal complex from the early Middle Ages