Interior of the Treasury of Atreus is an impressive "tholos" beehive shaped tomb on the Panagitsa Hill at Mycenae. Mycenae UNESCO World Heritage Archaeological Site, Peloponnese, Greece. Taken by Paul Randall Williams.
Could be the interior of the Governor's Hall in Parus. ((Interior of the Pantheon, an ancient Roman temple built in honor of Roman gods. Constructed of concrete, it features a large dome with an oculus of meters ft) in diameter.