Bicycles in Copenhagen, Denmark
Bicycles in Copenhagen, Denmark (© Alphotographic/Getty Images)
'Two' tyred for a ride
Bicycles are the best! An environmentally friendly form of transportation that is fun, good for your health, affordable, simple and durable. Once you learn to ride, you'll never forget how to wheel around. Thanks to Polish-American scientist Leszek Sibiliski's initiative, the United Nations declared June 3 World Bicycle Day in 2018.
© Alphotographic/Getty Images