 The system was pioneered by Bicycle Tree International, headquartered in Geneva, Switzerland, a company which has however since ceased operations.JFE Engineering in Japan produce a system called Cycle Tree; the installation at Kasai Station Bicycle Parking Lot in Tokyo has space for 6,480 bicycles, the largest underground mechanical bicycle parking system in the world.Another more advanced automated bicycle parking system uses a rotary lift system and is integrated in small towers.