A breathtaking pan shot looking up at the walls of the famous Colosseum from the underground tunnels of the arena in Rome, Italy

colosseum amphitheater tunnels underground sightseeing walls landmark history iconic famous arches brick pan looking up arena stadium theater colosseo ruins monument architecture design structure attraction ancient heritage historical amazing spectacle cultural unesco world heritage site tourism travel spectacular breathtaking rome italy roman empire europe building basement walkway gladiator inside interior limestone beautiful