YAC - Young Architects Competitions -   and Dartagnans launch TREE HOUSE MODULE, a competition of ideas aiming to design and realize a tree house system to put into the oneiric French castles of Vibrac, Mothe Chandeniers, Ebaupinay. A cash prize of € 15,000 (and the realization of the first-ranking project) will be awarded to the winners selected by an outstanding jury panel made of, among the others, Espen Surnevik, Matthew Johnson (DS+R), Giulio Rigoni (BIG), Tue Hesselberg Foged (Effekt Architects), Peter Pichler, Patrick Lüth (Snøhetta).