70.CosmoCaixa, Barcelona, Spain
CosmoCaixa is one of the renowned science museums in Europe. The glass in the escalator is the first attraction of the museum; visitors are allowed to try an interesting science experiment.
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70.CosmoCaixa, Barcelona, Spain
CosmoCaixa is one of the renowned science museums in Europe. The glass in the escalator is the first attraction of the museum; visitors are allowed to try an interesting science experiment.