Access was via a single doorway sporting a corbel arch; the enclosure was not roofed. These domes are not true domes, but are constructed using the corbel arch. The corbel arch is structurally weaker than the true arch. The stone corbel arch bridge is still used by the local populace. The well-preserved Hellenistic Eleutherna Bridge has a triangular corbel arch. The A-shaped Corbel arch is an architectural motif observed throughout the complex. This article does not deal with a different architectural element, the corbel arch.