Palma Festival, Caen, France
20x10m
Spray can on wall
March 2017.

See on google map:
https://www.google.com/maps/@49.1825756,-0.3365541,3a,75y,39.41h,90.94t/data=!3m7!1e1!3m5!1s5JEK0uXMWSFwU7kSjFLbeQ!2e0!5s20170801T000000!7i13312!8i6656

Thanks Quentin, Mathilde and Camille for the help!