The rounded shapes of the gaps as well as lip-like edges carved in the stone surrounding them create a semblance of a fully open up mouth, for which the Casa Batlló continues to be nicknamed the "residence of yawns". The structure repeats on the first floor As well as in https://barcelonamuseums09631.blogscribble.com/33258669/the-basic-principles-of-antoni-gaudí-architecture