Interior of Casa Batllo, modernism design by Antoni Gaudi, UNESCO World Heritage Site, old town, Barcelona, Catalonia, Spain, Europe

interior casa batllo modernism design by antoni gaudi unesco world heritage site old town barcelona catalonia spain europe barcelona casa milà casa mila gaudí gaudi antoni gaudí antoni gaudi catalan modernism modernism architecture spain interior room fireplace window wooden curved shapes organic fluidity lighting warm natural design details wooden detailing spanish architecture historic building landmark tourist destination travel vacation culture art history visual art art deco art nouveau