Julia Bradbury walks along a six-mile stretch of the Llangollen Canal in Wales, where Thomas Telford built a mighty aqueduct that is now a world heritage site.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.