Describir: Programme on Man and the Biosphere [MAB]

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