A computer graphic shows the concentric rings that may have existed during Atlantis' ancient heyday. Scientists have seen evidence of submerged structures beneath the vast marshlands of southern Spain's Dona Ana Park.
core territory of the La Tène culture BC) is shown in solid green, the eventual area of La Tène influence by 50 BC in light green. The territories of some major Celtic tribes are labelled. Map drawn after Atlas of the Celtic World, by John Haywood
An aerial view of a group of round barrows and a long barrow at Winterbourne Stoke. Barrows are mounds of earth covering prehistoric tombs. The earliest barrow on this site dates from circa 2100 BC. Photographer: staff Date Taken: October 1993