The 10 most beautiful bicycles - PHOTO

According to the Earth Policy Institute, a US-based environmental advocacy group, bicycle production quadrupled between 1950 and 2007. During the same period, car production merely doubled. It's a trend that continues to this day, accelerated by rising fuel prices and urban congestion. And during the last 10 years, the bicycle has enjoyed something of a renaissance, thanks to ever-greater availability of lightweight materials, advanced safety and comfort features, and electric-motor-assist systems.Bicycles are becoming more beautiful, too. Small manufacturers, custom shops and independent designers are reinventing the humble two-wheeler with cutting-edge shapes and technologies. Herewith, we pick 10 of our favourites.(BBC)Bakudaily.Az