Type8 Eternal Moving City

In 201, huge video screens floated in the night sky of type8 city, and intricate overpasses shuttled between cities like works of art. Endless energy and eternal affluence, type8, the richest and most successful city in the world, was synonymous with happiness. Type8 was also known as "the city that acquired a perpetual motion machine." However, perpetual motion machines never existed The sunlight in the shallow sea cannot penetrate into the deep sea No matter how powerful it is, humans have always had a habit of burying unsightly pipe systems underground and placing shiny electric light fixtures on the roadsides. Until someone digs them all out—