Summer aerial view of Suomenlinna Sveaborg sea fortress in Helsinki, Finland
El Morro, Paseo de la Princesa, Old San Juan gate, Puerto Rico
Castle of Zafra (Castillo de Zafra) fortress, Guadalajara, Campillo de Dueñas, Spain
Aerial view of the town of Dinan with Rance river, Cotes-d'Armor, Bretagne, France
Historic city of Salzburg with Salzach river in winter blue hour, Salzburger Land, Austria
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