More and more people realize that bicycles can be much more useful than cars. A bicycle is cheap and in a city sometimes, considering the traffic jams, even faster than a car. Bikes are ecological and also keep their owners in good health. Bicycles are often a favorite means of transport for travelers exploring their destination. This is why several cities, such as Vienna or London, decided to provide rent-a-bike services, where you rent a bike and then return it in other part of the city. Tourism-Review.com brings you the top 5 most bicycle friendly cities in the world according to Askmen.com.