Q: You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).
concept: Barcelona answers: ['Museu Picasso', 'Gothic Quarter, Barcelona', 'Park Guell', 'La Rambla', 'Palau de la Musica Catalana', 'Sagrada Familia', "Placa d'Espanya, Barcelona", 'Barcelona Museum of Contemporary Art', 'Casa Mila', "Museu Nacional d'Art de Catalunya"]
A:
what is there to see in barcelona?