The new tower is built of wood and steel, and at a height of 100 metres it is the tallest wooden observation tower in the world. Architects Markus Klaura and Dietmar Kaden of Klagenfurt and structural engineer Markus Lackner of Villach have designed a structure which features a visitors platform at 83 metres, a cafe at 70 metres, and a slide (the longest slide in Europe). The tower is PEFC-certified. List of towers