ELCA PROFESSIONAL EXCURSIONS Museum Quai Branly with innovative green facade ELCA study trip to Paris with more than 70 participants from 14 countries Excellent resonance: ELCA study trip to London with 140 participants Chelsea Flower Show 2008 Sudy trip to Japan on the occasion of the WorldSkills 2007  Spring excursion 2007 to Krakow Automn excursion 2006 to Dublin Spring excursion 2006 to Barcelona  Automn excursion 2005 to Munich Spring excursion 2005 to Helsinki return