Reconstruction of the Olmeda Roman Villa, Spain. La Olmeda Roman Villa is a well-preserved 4th cent. CE Roman home in Palencia in Spain. Spanning 3,000 square metres and comprised of 27 rooms, La Olmeda Roman Villa is best known for its mosaics, the most important of which depict great mythological scenes and can be found in its main hall. Several of the rooms in Olmeda Roman Villa also still contain the remains of the Roman under floor heating systems known as hypocausts.