New bicycle helps solve transit problem. Shows a man posed with unusual bicycle, approximate in size and shape of a unicycle. A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. Bicycles were introduced in the late 19th century in Europe, and by the early 21st century, more than 1 billion have been produced worldwide. No photographer credit, 1920. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / LOC / Science Source |
Taille de l’image : | 3037 px × 4650 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : |
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