Describir: Creting a prehistoric world for "The age of mammals" /

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