Sher Shah Mandal Pavilion or Humayuns library in the Purana Qila fort, Delhi, India
Palazzo Vecchio architecture and geometries view from courtyard, Florence, Italy
Landscape with medieval Aragonese Castle, Ischia island, Gulf of Naples, Italy
Medieval Bürresheim Castle near Mayen, Rhineland-Palatinate, Germany
Ruins of Dunluce Castle, Co. Antrim, Northern Ireland
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