Describir: Administrative county of London development plan 1951 :

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