79110 Freiburg-Seeparkgelände: Architecture: Möhrle (Freiburg), created as part of the State Garden Show; today used as a BUND centre for children and youth work (environmental education). Natural garden, solar systems, rainwater harvesting, mound wood construction. "Hogan" (Indians); ecological interior design (solid wood furniture, resource-saving household appliances, ...), completion: 1986