Substantial quantities of machinery also existed in the hypogeum

Substantial quantities of machinery also existed in the hypogeum Architectural photography Family-friendly: true
Elevators and pulleys raised and lowered scenery and props, as well as lifting caged animals to the surface for release. There is evidence for the existence of major hydraulic mechanisms and according to ancient accounts, it was possible to flood the arena rapidly, presumably via a connection to a nearby aqueduct.