The architecture goes beyond the mere naming of its structures naming after places and monuments seen by Hadrian on his extensive travels across the empire. Certain buildings clearly attempt to recreate specific features of landscapes or architecture that had personal significance for the emperor. Thus, the area known as the Canopus, named after the Egyptian city where Antinous drowned, features a long, stately reflecting pool, representing the Nile, which was lined with copies of famous works of sculpture including the caryatids of the Erechtheion, a statue depicting the Egyptian dwarf and fertility god, Bes and a crocodile. The Pecile is modeled after the Stoa Poikile in Athens, a city favored by Hadrian. The structures freely mix traditional Greek and innovative Roman elements. The island enclosure (known as the Maritime Theatre) uses the classical Ionic order, albeit in a novel way; the triclinium of the so-called Piazza d’Oro and the Serapeum were covered with Roman segmented concrete domes, probably designed by Hadrian himself.