For the past few years, the giant panda was on the verge of extinction but thanks to the efforts of the World Wildlife Fund (WWF) and other organizations, the beloved species' status was downgraded from "Endangered" to "Vulnerable" in 2016.
However, giant pandas are still on the Red List of Threatened Species which means that zoos, reserves, and conservation parks have to put in extra work to ensure that the species are growing.
On July 15, 2013, the first surviving pair of giant panda twins ever were born in the U.S. at the Zoo Atlanta. The female pandas, Mei Lun and Mei Huan, were born to Lun Lun and Yang Yang, who were loaned to the zoo by China back in 1999 as a gesture of friendship.
The conditions of the "panda diplomacy" stipulates that the cubs were to be handed back to China at a certain point, but Zoo Atlanta made sure to document their first few milestones through pictures and videos.
One of the videos released by the zoo is a compilation of their first 100 days and it is painstakingly adorable.
The furry twins are now 4 years old and live at China's Chengdu Research Base of Giant Panda Breeding. You see what they look like now on the next page.
The sisters reportedly experienced major culture shock when they first moved to China, but it was only a matter of time until they adapted to their new environment, which is actually their natural habitat.
You can watch them play around in the video below, taken this past march:
Mei Lun and Mei Huan are now older siblings to another set of twins, Ya Lun and Xi Lun, who were also born at Zoo Atlanta last September.
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