Describir: Castles and fortifications of Britain and Europe.

 _    _     _____     _  __     ___     _____       ___      _____      ___    
| \  / ||  |  ___||  | |/ //   / _ \\  |  __ \\    / _ \\   /  ___||   / _ \\  
|  \/  ||  | ||__    | ' //   / //\ \\ | |  \ ||  / //\ \\ | // __    / //\ \\ 
| .  . ||  | ||__    | . \\  |  ___  ||| |__/ || |  ___  ||| \\_\ || |  ___  ||
|_|\/|_||  |_____||  |_|\_\\ |_||  |_|||_____//  |_||  |_|| \____//  |_||  |_||
`-`  `-`   `-----`   `-` --` `-`   `-`  -----`   `-`   `-`   `---`   `-`   `-`