The Arbeiter-Samariter-Bund (ASB), an aid organisation, in Hamburg-Rissen offered their warehouses-walls for the "DaHall Jam" (Graffiti- and breakdance-event in May 2025). 23 graffiti artists from Germany, the Netherlands, and Switzerland have been involved. See photos show only few of the artworks, e.g.

• Spliff.one: https://www.instagram.com/spliff_one/