Hulec & Špička, Architects – CORA is a leading Czech architectural firm concentrating on the preservation and restoration of historic buildings and sites. It closely cooperates with multi-disciplined teams of experts, ranging from construction and plumbing engineers to conservators and material technologists in the field of historic architecture and its conservation. The company has two branches: Hulec & Špička, Architects specialize in the restoration and conservation planning of important historical monuments (often listed as National Cultural Monuments and dating approximately from the 12th to 20th century) and their re-use, as well as the development and urban planning of significant historical sites (e.g. Lednice - Valtice area – the UNESCO World Heritage Site in south Moravia). Recently - in 2006 and 2007 - H&Š designed and supervised the complex restoration of the exterior of the U.S. Ambassador´s Residence in Prague as well as the municipal arts gallery and concert hall in the former Dominican Monastery in Opava, 2009-2011.CORA – The Centre for the Preservation of Architecture is a not-profit branch, which concentrates on financing and providing the conservation of endangered cultural monuments. At present, it has two leading projects: the Restoration of Baroque Castle Theatres in Bohemia and Moravia and the Restoration of Czech Baroque Organs. The seat of the company is in the Czech capital – Prague.