"© Licensed to London News Pictures. 1 December 2012. Barcelona, Spain. Show ""Emocions en moviment"" on the roof. In 1912, La Pedrera (Casa Mila), Barcelona's iconic landmark by architect Antoni Gaudi was finished  To celebrate 100 years of La Pedrera, Barcelona citizens were treated to a free tour of the building where 150 dancers and musicians performed around every corner and on the roof. Later, images were projected onto the façade of the building with live dancers interacting with them. Photo credit: Bettina Strenske/LNP"
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