It's interesting to see the timeline in serpentza's youtube videos about bike sharing in China Starts out well in January https://www.youtube.com/watch?v=Hi9G1jLUeUk Overcrowding starting to be a problem in April https://www.youtube.com/watch?v=kdsb2wwn-7g Bike graveyards in October https://www.youtube.com/watch?v=1IYu4wzy9Lw