What If Giant Rats Overtook Cities and People Must Go Underground

Most people work, eat, socialize, and enjoy life during the day. We live in tall buildings, surrounded by cleanliness and light. In a sense, rats are the exact opposite. When night falls, the rats wake up. They live below us. Sewers, pipelines, subways, abandoned stations – these places are full of rodents in every big city. They can hold their breath underwater for several minutes, and their smooth coat allows them to swim quickly through pipes.