ancient roman quarry el mèdol excavated during the period of the roman empire, witness column, limestone rock. tarragona, spain

agulla ancient archaeological archaeology architecture augusta building catalonia centre citerior column construction costa culture daurada dol empire engineering europe excavated excavation extraction famous forest hispania historical history imperial landmark limestone mauml medieval mediterranean medol monument natural nature needle obelisk outdoor period quarry remains republic rock roman romans rome ruins spain stone tarraco tarragona tourism trees vertical via witness