Germany, Berlin, Mitte, Brandenburg Gate in Pariser Platz illuminated at night.

Germany, Berlin, Mitte, Brandenburg Gate in Pariser Platz illuminated at night.

Germany, Berlin, Mitte, Brandenburg Gate in Pariser Platz illuminated at night.

Germany, Berlin, Mitte, Brandenburg Gate in Pariser Platz illuminated at night.

USA, Washington DC, National Mall, National World War 2 Memorial, Northern Triumphal Arch.

USA, Washington DC, National Mall, National World War 2 Memorial, Plaza with Northern Triumphal Arch.

USA, Washington DC, National Mall, National World War 2 Memorial, Southern Triumphal Arch.

Spain, Catalunya, Barcelona, distant view of La Sagrada Familia from the rooftop of La Pedrera .

Spain, Catalonia, Barcelona, shops in the narrow streets of La Ribera.

Spain, Catalonia, Barcelona, Parc de la Ciutadella, public hire bicycles next to Arc du Triomf.

Spain, Catalonia, Barcelona, Parc de la Ciutadella, public hire bicycles next to Arc du Triomf.

Spain, Catalonia, Barcelona, Parc de la Ciutadella, public hire bicycles next to Arc du Triomf.