The snow is back in Oulu, Finland.
How do they make all year cycling possible there?
I try to explain in this video: https://youtu.be/04US2_V4aTw
Winter vs summer cycling in Oulu (Finland)

YouTube
@BicycleDutch nice movie, but a little lacking the promised explanation....
@barendkobben @BicycleDutch the YouTube link is to a longer and narrated video, fyi