A man repairs a bike at the WUK self-help bicycle workshop (Selbsthilfe Fahrradwerkstaette) in Vienna June 20, 2012. WUK bicycle workshop, founded in 1983, offers a public workshop, tools and instruction for the self-repair of bikes on a daily contribution of three Euros. Bicycles have increased in popularity in Austria in recent years, with eleven percent of the population using bicycles as their main means of transport, according to the Ministry of Transportation, Innovation and Technology. Picture taken June 20, 2012. REUTERS/Lisi Niesner (AUSTRIA - Tags: SOCIETY TRANSPORT)