Ling Long Incarnation also known as Ling Cage, is a fully CGI Chinese post-apocalyptic animated series produced by YHKT Entertainment. The show portrays the harsh reality of life in the Lighthouse, a flying city that serves as a sanctuary for the surviving remnants of humanity after a catastrophic event unleashed monstrous creatures on an already overpopulated world.

The population is divided based on their desirable or undesirable genetics in order to ensure the survival of their refuge and strict measures are taken to prevent contamination and emotional attachments that could compromise their future. Elite hunter teams venture out into the monster-ridden wilderness on dangerous expeditions to retrieve valuable resources.