Since its initial redevelopment in 1996, the quarry in Austrian St Margarethen has become a musical magnet for international opera enthusiasts. A unique Location with culturally significant surroundings, the quarry offers a wonderful backdrop for the renowned opera productions it hosts. Over the years, it has also attracted well known stars of the opera and music scene, who are eager to take the chance to play for a keen audience in this one-of-a-kind Setting. Nestled in the open country between the Leitha mountain and the Steppensee, the quarry in St Margarethen and its adjacent region is a UNESCO world heritage. Under the proprietorship of the private foundation Esterházy, the quarry Location has seen an extensive expansion in 2006. With attention to detail the Vienna-based architecture group AWG found a way to celebrate the sensible space through exciting architecture.