I wonder if that expert has been to the Netherlands or Copenhagen. In fact I wonder whether he has really experienced a bike for day to day use, because some of the ideas are very strange. It&#x27;s telling that most bikes in the pictures are racing bikes. What&#x27;s the advantage of bikes in apartment buildings? Why not park the bike at the ground floor? It would waste a lot of space in the corridors. Think about what you&#x27;d rather have: 2 meters extra apartment, or 2 meters extra wide corridor.<p>Bikes in shops will not work either. Walking through a shop with a bike seems extremely unwieldy; you would need much larger space between the shelves. A bike in your hand makes it hard to pick up things from the shelves. A bike does not stay upright by itself when you go to pick up something from the shelves, so you have to park it with that thing that I don&#x27;t know the English name of. Even then, if you load the bike with a bag of groceries it usually falls over. When you are walking on one side of your bike it&#x27;s hard to reach over your bike while not falling over. Bike parking space is a non-problem compared to car parking space. No cars whatsoever is unrealistic even in bike utopia. How do you move big and heavy things? No ambulance, no fire trucks?