A mother’s video of her two premature babies holding hands is going viral. Anthea Jackson-Rushford captured footage of her newborn twins Kristiana and Kristian clinging to each other as they lay on their father’s chest hooked up to tubes. The two were born Jan. 4 at 28 weeks and 1 day, and weighed in at “under a kilo,” or 2.2 pounds, each.
“He actually holds her hand,” says a voice off camera. “How is that possible? That’s just unbelievable.”
Read More: Meet the Doctor Who ‘Invented the Premature Baby’
The touching clip has been viewed more than 8 million times since it was posted on Facebook on Jan. 13. Jackson-Rushford also shared several follow-up pictures of the pair on Jan. 18 with the caption, “As you can clearly see, they can’t stop holding hands!!”
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Write to Megan McCluskey at megan.mccluskey@time.com