Describir: Construction of buildings in London

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