When in Rome, it’s a must do for visitors: turn your back to the Trevi Fountain and flip a coin over your shoulder while making a wish. Millions of coins from all over the world are tossed into the water each year, but where does the money go? (AP Video: Paolo Lucariello)

What happens to the millions of coins thrown into Rome’s Trevi Fountain?

When in Rome, it’s a must do for visitors: turn your back to the Trevi Fountain and flip a coin over your shoulder while making a wish. Millions of coins from all over the world are tossed into the water each year, but where does the money go? (AP Video: Paolo Lucariello)