Describir: Urbanization and sustainable development in the third world:

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