Ancient Roman architecture, historic ruins, monumental columns, arches, domes, ornate carvings, intricate mosaics, white marble, travertine stone, grandiose scale, symmetrical composition, classical orders, Corinthian capitals, Doric columns, Tuscan pillars, vaulted ceilings, barrel vaults, groin vaults, apses, oculus, Pantheon-inspired design, Roman Forum, Colosseum surroundings, Mediterranean landscape, sunny afternoon light, warm ambient atmosphere.