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.
Advertisements
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.