Identify.

Sanctuary of Fortuna Primigenia, Praeneste, either 2nd cent BCE or 80 BCE, major ramps and large staircases leading to difference terraces, built into a hillside, semicircular exedra (shrine), <new architectural feature in Rome, Greek elements (collonnades, terraces), opus incertum (irregular work of fist sized stones to form facing on concrete interior), vaulted ceiling, marble columns, local tufa stone, biggest sanctuary in Italy at the time