Parked bicycles in Piazza Duomo during a night snowfall, Milan, Lombardy, Northern Italy, Italy, Europe

Parked bicycles covered by snow in Piazza Duomo, Milan, Lombardy, Northern Italy, Italy, Europe

Bicycles for rent under the Citi Bike system which provides 33000 bikes for rent at 1900 stations, New York City, United States of America, North America

Bicycle-sharing system in Zona Rosa area, Bogota, Colombia, South America

Bicycle-sharing system in Zona Rosa area, Bogota, Colombia, South America

Helsinki cycling Finland, view of bikes for rent in the Helsinki City Cycle Scheme parked closely together in Kauppatori (Market Square), Finland

Yellow And White Bicycles Parked In A Row, Milan, Lombardy, Italy