Continuous Sidewalks
Living in Singapore -- a city extremely unfriendly towards bicycles and pedestrians (to the point they banned e-scooters because they had to blame someone for the accidents, and it couldn't be the cars) I started paying attention to urban design in Europe and started noticing the little things I wouldn't pay attention before.
Having just come back from Belgium, Amsterdam and Copenhagen it's great seeing a video pointing out the differences and how it all works.