mosaic of the house of hippolytus, complutum, a roman city located in alcala de henares, madrid, spain

alcala henares archaeology complutum house hippolytus madrid mediterranean mosaic region roman spain stone archaeological composition europe frigidarium city rome ancient antique site archeology architecture art culture destroyed excavations flanked fragments hedgehog heritage hispanic historic landmark paved pavement provinces representation spanish geometric motifs floral patio composed series one important remains located