Describir: Elementary principles of landscape painting

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