Alcazaba towers and walls, Almeria, Andalucia (Andalusia), Spain, Europe
Grim sandstone barrack blocks built to house the garrison who defended this impregnable fortress after the Jacobite revolt, Inverness, Scotland, United Kingdom, Europe
Outer walls of the Ark Fortress, Registan Square, Bukhara, Uzbekistan
Ayaz Kala Fortress 2, photo taken from Ayaz Kala Fortress 1, Ayaz Kala, Khorezm, Uzbekistan
