Powerful portraits of identical twins reveal unnerving similarities, subtle differences and unbreakable bonds. Award-winning photographer Peter Zelewski has spent the last four years capturing the faces and stories of identical twins. Some inexplicably lost their hearing at the exact same time, others unlock each others' phones with their indistinguishable fingerprints, but perhaps more surprisingly, some don't get on. Appearing alongside personal quotes, these powerful portraits tap in to one of the most fascinating of all human relationships.