Stammhaus (Main House) building of Rogner Thermal Spa and Hotel by Hundertwasser, Bad Blumau, Austria
Steinhaus (Stone House) Building of Rogner Thermal Spa and Hotel designed by Hundertwasser, Bad Blumau, Austria
Facade detail, Kunsthaus (Art House) building of Rogner Thermal Spa and Hotel designed by Hundertwasser, Bad Blumau, Austria
