Festivals in Athens, Frankfurt, and Seville include performances created within the project TREES which DAH Theater coordinates and includes 7 European partners -PROTAGON aV [Germany], ACTION SYNERGY [Greece], AEROPLIO Theater [Greece], SMASHING TIMES [Ireland], GRENLAND FRITEATER [Norway], ATALAYA/TNT [Spain], ZID THEATER [Netherlands]. In addition to the performances, the workshops included discussions on the topic of art and developing awareness about the protection of the natural environment.

Athens, June 17-22 Fallen Trees Festival organized by Topos Alu Theater, Frankfurt, July 30 -3. August Summer Shipyard Festival organized by Protagon and Seville 8-12. October 2025, organized by TNT-Atalaya Theatre.

DAH theater participates with a performance The trees are dancing., and Spain's TNT-Centro Internacional presents "Arboreal resistance" , the German collective Protagon/Antagon brings ""Among the trees", with ""Oxygen", ZID theater (Netherlands), Irish company Smashing Times puts on "The Art of Trees"", from Norway, Greenland Friteater presents "Whispering Trees", and Greek production "The Earth breathes"“Topos Alu Theatre.