The evolution of transport, the multiplication(increase) of travels(movements) and Google map change our report(relationship) in travel(movement): there is not today practically any more of earthed up incognita. Far from simple return on experience(experiment), the travel story allows to the reader to take its time, to think and willy-nilly does not tempt to leave.
Indeed, a travel story is a tourist guide, nor a pad of journey, listing of places, of dates is not found. The text gives an account of an experience(experiment), highlights cultural differences, describes atmospheres, smells, landscapes, speaks about discoveries. The authors mix(involve) the imagination and the real and the reader gets away.