Hey Drippo! on Instagram: "A Chinese YouTuber, Xing Zhilei, has gone viral after building a fully functional miniature subway system for his cats. Known for his channel Xing’s World, where he’s previously made a supermarket, theatre, spa, and garage for his pets, Xing spent four months crafting this ambitious project. The setup includes realistic details like platform screen doors, an escalator, illuminated signage, and automated announcements. His video, posted August 17, quickly gained over 10