Describir: Bridges and how they are built /

  ____       ___     ______     _____               ______    ______  
 |  _ \\    / _ \\  |      \\  |  ___||     ___    /_   _//  /_   _// 
 | |_| ||  | / \ || |  --  //  | ||__      /   ||   -| ||-     | ||   
 | .  //   | \_/ || |  --  \\  | ||__     | [] ||   _| ||_    _| ||   
 |_|\_\\    \___//  |______//  |_____||    \__ ||  /_____//  /__//    
 `-` --`    `---`   `------`   `-----`      -|_||  `-----`   `--`     
                                             `-`                      
 _    _   
| || | || 
| || | || 
| \\_/ || 
 \____//  
  `---`