The white marble Arch of Augustus built in the First Century BC lit up at night in the city of Susa, Piedmont, Italy. It was built to commemorate the renewed alliance between Emperor Augustus and Marcus Julius Cottius, a Celto-Ligurian ruler who had been made King and Roman prefect of the Cottian Alps.

Arch of Augustusnightnight photographyFirst Century BCSusaPiedmontItalyEmperor AugustusMarcus Julius CottiusCeltoLigurian rulerCottian Alpsarchwhite marbleCorinthian columns