The card machine accepts my card with a beep. I am just in time to hold on to a bar, as the tram sets into motion before I have reached a free seat. Line 4 shocks and squeals its way through a sharp curve. My destination is Rooseveltlaan, one of the avenues in Amsterdam-South, a 20-minute ride. Luckily, there is still a free seat in the middle of the busy tram. Nineteen years old and filled with enthusiasm, I love my new...