In Rome, the 18th century Trevi Fountain is one of the most famous sites that travelers choose to visit. Millions of visitors flock to the Italian landmark every year to take photos and join in the tradition by tossing in a coin. The legend comes from the Oscar-winning 1950s film "Three Coins in the Fountain": when one throws a coin into the fountain, he will return to the city again.

If he throws two coins, he will meet his love; if three, he will get married. And finally, someone who throws four coins into the fountain, will become rich! But there is a certain way tourists should throw the coin according to tradition. They are supposed to put their right hand on their left shoulder!