Describir: Administrative county of London development plan 1951 :

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