Describir: Administrative county of London development plan 1951 :

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