Describir: Field study in american geography:

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