Describir: Geography in the twentieth century /

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