Anthropologists George and Sharon Gmelch have been studying the quasi-nomadic people known as Travellers since their fieldwork in the early 1970s, when they lived among Travellers and went on the road in their own horse-drawn wagon. In 2011 they returned to seek out families they had known decades before--shadowed by a film crew and taking with them hundreds of old photographs showing the Travellers' former way of life. Many of these images are included...