Urban Sketchers Berlin – Treffen in der Mönchmühle 7. August 2022

Wallersdorf Grebenau – Rasenmühle 12. August 2021

Weißbiertrinker 22. July 2021

Streetlife 29. June 2021

Weather station on Tempelhofer Feld 28. April 2021

“Berlin – the Wall revisited” – New Book by Detlef Surrey 19. November 2019

Urban Sketchers Symposium 2019 – Amsterdam 24. July 2019

Matite in Viaggio a Berlino 5. May 2019