Describir: Programme on Man and the Biosphere [MAB]

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