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Researchers from the University of Cádiz in Spain focused on settlements in the areas surrounding Arcos de la Frontera, Bornos, Villamartin and Puerto Serrano which would have all been interconnected by the Guadalete River, leading them to believe that they were part of a hidden empire.The team said they used geo radar - a tool that sends radar pulses underground to detect any hidden objects.They used geo radar technology to locate the wall structures from ancient residences that weren't visible from the surface...The researchers discovered that the villa had walls separating the residential and work areas while they were trying...

The dig is taking place underneath one of the walls of the disused bull ring, a wall which has been reinforced specifically so that the archaeologists could begin their work beneath it, and the opinion of the experts is that these rooms were used to hold gladiators and animals captive before they were released to do battle in the arena itself. Their existence was documented in the 18th century, well before the construction of the bull ring, and the roofs were re-discovered in 1999, but until now no-one was aware of how well they have survived the passing of two...