Which One Of These Locations Contains Some Of The Earliest Ribbed Vaults?

Which One Of These Locations Contains Some Of The Earliest Ribbed Vaults? Rib vaults are, like groin vaults, formed from two or three intersecting barrel vaults; the ribs conceal the junction of the vaults. The earliest surviving example in Islamic architecture is at the Mosque–Cathedral of Córdoba in al-Andalus, which predates the earliest Romanesque examples