Heldenberg Museum / PETER EBNER and friends ZT GmbH March 19, 2019 Pilar Caballero Architecture, Architecture Article, Architecture News, Home design ideas, Interior Design 0 © Margherita Spiluttini Architects: PETER EBNER and friends ZT GmbH Location: Austria Category: Extension Photographs: Margherita Spiluttini Read more » Extensionrefurbishment