Huge megalithic complex of more than 500 standing stones discovered in Spain

Archaeologists says prehistoric site in Huelva province could be one of largest of its kind in Europe

A huge megalithic complex of more than 500 standing stones has been discovered in southern Spain that could be one of the largest in Europe, archaeologists have said.

The stones were discovered on a plot of land in Huelva, a province flanking the southernmost part of Spain's border with Portugal, near the Guadiana River.