Tuesday, December 23, 2014
Photomanipulation cyclist circle city - Inspiration Photoshop
Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, or for sport. Persons engaged in cycling are referred to as "cyclists", "bikers", or less commonly, as "bicyclists". Apart from two-wheeled bicycles, "cycling" also includes the riding of unicycles, tricycles, quadracycles, and similar human-powered vehicles. Bicycles were introduced in the 19th century and now number about one billion worldwide. They are the principal means of transportation in many parts of the world.