sentences:  Travelogues further developed to incorporate movie rides which were coordinated sounds, motion pictures and mechanical movement to simulate virtual travel.Cinéorama, which simulates a ride in a hot air balloon and Mareorama, which simulates voyages of the sea, became major attractions at world fairs and expositions.Today's travelogues may be shown with either live or recorded voice-over narration, often with an in-sync audio soundtrack featuring music and location sound.