Describir: The geography of frontiers and boundaries

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