I did this project during the COVID19 lockdown. As a sports photographer, on my mind, it was impressing me to thing that the trails and the mountains where we usually climb, hike, run... where totally empty. Probably it was one of the best moments in decades for the nature, to recover from us.
More info and images about the project here: https://www.saragossa.cat/2020/04/15/trails-are-empty/