Describir: Urbanization and sustainable development in the third world:

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