YouTuber Xing Zhilei is known for his pet-friendly creations, stunning viewers with elaborate structures for his cats to explore.
Having already set up a bank, garage and even spa, he decided to take things to the next level - a fully functioning underground network!
Travelling in style
Taking four months to complete, the subway system left viewers in complete awe of his patience and skill.
Platform doors open in sync with each carriage, and there's even a tiny escalator to bring each cat safely to where they need to go.
Feedback from around the world
The 2 minute video has been viewed over 105,000 times in just two days, with fans sharing their admiration for the YouTuber's creation.
"The cats in China are getting better public transit than the humans in America," joked a viewer.
“This is spectacularly well done! It could be a movie set.” replied another.