Describir: The geography of frontiers and boundaries

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