797-11847 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11845 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11846 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11815 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11816 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11843 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11844 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.

797-11817 - Spain, Catalonia, Barcelona, Castell dels Tres Dragons built for the 1888 Universal Exhibition now housing the Museum of Natural Science and Zoological Museum in Parc de la Ciutadella in the Old Town district.