This content was originally published by Copenhangenize at the following URL: http://copenhagenize.eu/index/04.html We mirrored it because the link is quoted in a Cycle Cities output and, according to the Interreg IV C rules, it has to be made available for at least five years after the end of the projet (2014). All rights are reserved and have to be credited to the authors (Copenhagenize Design Co.).