Spain, Catalunya, Barcelona, Montjuic, Torre Calatrava or Torre Telefonica at dusk, Communications Tower completed in 1992 for the Olympic Games.

Spain, Catalunya, Barcelona, Montjuic, Torre Calatrava or Torre Telefonica at dusk, Communications Tower completed in 1992 for the Olympic Games.

Spain, Catalunya, Barcelona, Montjuic, Torre Calatrava or Torre Telefonica at dusk, Communications Tower completed in 1992 for the Olympic Games.

Spain, Catalunya, Barcelona, Montjuic, Torre Calatrava or Torre Telefonica at dusk, Communications Tower completed in 1992 for the Olympic Games.

Spain, Catalunya, Barcelona, Placa d'Espanya, Ventian Towers modelled on the Bell Tower of St. Mark's Basilica in Venice.

Spain, Catalunya, Barcelona, Placa d'Espanya, Ventian Towers modelled on the Bell Tower of St. Mark's Basilica in Venice.

Turkey, Istanbul, Nusretiye Mosque.

Turkey, Istanbul, Nusretiye Mosque.

Turkey, Istanbul, A minaret and arches, Suleymaniye Mosque, from the inner courtyard.

Turkey, Istanbul, A minaret and arches, Suleymaniye Mosque, from the inner courtyard.

Turkey, Istanbul, Galata Tower.

England, London, Tower Bridge and River Thames.