Town centre of Dinant with Cathedral Notre Dame and Citadel, Namur, Wallonia, BelgiumCastillo de San Marcos National Monument at morning, St. Augustine, Florida, USAAbandoned Inca citadel Machu Picchu in the Eastern Cordillera of southern Peru
Rock formations and dunes at Tin Akachaker desert (Citadel), Hoggar, Ahaggar Mountains, AlgeriaCastel del Monte medieval citadel and castle in Andria, Apulia, Italy
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