Capítulo 869: Chapter 648: The Madness Before Collapse

```

Although London's smog was an inescapable blemish, from an absolutely fair and just perspective, the British Empire still remained the world's most powerful, advanced, developed, and prosperous nation.

Many urban cities of later generations lacked an extensive subway system, yet London had already pioneered such construction over 100 years ago, and many Londoners were now enjoying the convenience of this mode of transportation.

Since Australasia also had plans to build a subway, William made a special trip to London's subway stations to experience the earliest subway construction in human history—the Metropolitan railway line.

The development of various technologies in human history had been accompanied by all sorts of accidents, and it was only by solving these problems that technology evolved into the safe and advanced forms seen by later generations.