There are 6000 kms of navigable waterways in the Netherlands. A good number of the 16 million population owns a boat and many of those take to the water over the summer - not all at the same time fortunately. Not everyone has a car but nearly all have bikes and those who don't use the excellent rail, bus and ferry services. Something like 9 million vehicles on the move in a small country. So, lots of bridges. Bridges come in all types. Lifting, swinging, floating, operated by bridge keepers remotely or manually, press a button, shout into a speaker, call up on VHF radio, call up or phone a keeper who half an hour later comes pedalling on his bike, pay a kid to do it for you and my very favourite- the bridge that magically detects you cruising up the canal and opens for you. Sometimes you're satisfyingly stopping a motorway and others you're swinging a mainline railway. Some bridges in Amsterdam only open for convoys between midnight and 2 am. I woke ...