Amsterdam, Netherlands, bicycle parking garage, parking space for bikes at the central station, for over 2100 bicycles, free of charge, at the river I Stock Photo - Alamy
DCE - New Underwater Bike Parking at Amsterdam Central Station
Dutch take cycling to a new level, with world's biggest multistorey bike park | Cities | The Guardian
Amsterdam is out of bicycle parking spaces, so it's building 40,000 more
How the Dutch Investment in Bike Parking Paid Off - Bloomberg
Amsterdam bike parking shortage « Inhabitat – Green Design, Innovation, Architecture, Green Building