586 A Clockwise Round Walk Around the Colosseum. Looking at the blue Rome sky. Picture 7. Constantine's Arch detail, however. #roma #rome #colosseo #colosseum #stonearchitecture #travertine #travertino #bluesky #heritage #waitingforthetrain #thingstodoinrome #thousandyears #history #historicarchitecture #monument #unique #costantinearch #arcodicostantino (presso Colosseo) https://www.instagram.com/p/Cn7UZBGMAgx/?igshid=NGJjMDIxMWI=