In late 2017, Chinese scientists saw the birth of the world’s first primates cloned by the same method used to clone Dolly the sheep. Zhong Zhong and Hua Hua, two adorable crab-eating macaques, took the world by storm, and scientists believe that they are just the first in a long line of monkeys that will be cloned for medical research.

Mu-ming Poo, one of the scientists who helped clone the monkeys, calls them “national treasures.” But what will happen to them now that the photo-ops and media coverage have subsided?