Helsinki already had a fantastic bike infrastructure when I visited in 2023, and it is still getting better.
The opening of the longest tram/bike/pedestrian only (no cars) bridge in the world:
https://m.youtube.com/shorts/tCtsm-zO7vk
https://tandrasz.blogspot.com/2024/01/a-trip-to-spend-bit-of-time-with-mama_4.html?m=1