However, these paintings were not true panoramas, but rather contiguous views of passing scenery, as if seen from a boat or a train window. Unlike panoramic painting, the moving panorama almost always had a narrator, styled as its "Delineator" or "Professor", who described the scenes as they passed and added to the drama of the events depicted. One of the most successful of these delineators was John Banvard, whose panorama of a trip up (and down) the Mississippi River had such a successful world tour that the profits enabled him to build an immense mansion, lampooned as "Banvard's Folly", built on Long Island in imitation of Windsor Castle. In Britain, showmen such as the durable Moses Gompertz toured the provinces with a variety of such panoramas from the 1850s until well into the 1880s.