While common, identical twins seem to fascinate the world but the story of twins Sienna and Sierra Bernal is anything but ordinary. One of the twins suffers from a rare genetic condition resulting in the two of them looking starkly different.
Image via @sinnysized/IG and @sierra_bernal/IG
But that hasn’t stopped their bond to be stronger than ever. Read on to find out the incredible true story of the twins whose life and bond is a medical mystery and nothing short of a miracle, in more ways than you can expect.