Inside Citadel of Qaitbay, in Alexandria, Egypt, there's multiple state-of-art windows looking at different sides of the Mediterranean Sea surrounding Alexandria. This Citadel's purpose was to look for enemies before they reach Alexandria, back in 15th Centery. Now Citadel of Qaitbay is a tourist place, and this photo is taken of Alexndria now with its significant sea and sky, from one of the Citadel's windows.