Bicycle parking

A nice picture of how many bicycles (brompton's) fit into one car parking place.
The green party in Amsterdam has done some proposals to create more space for bicycles. For example, during the day create space for bicycles, at night (after 18pm. the same space could be used for cars.
Many more inspiring examples on bicycle parking can be found in Bicycle parking inspiration book. Most of it in Dutch, but the pictures speak for themselves.