DVD_Montanha-Russa[DVD: Discovery Channel – 1996 – 52 mins]. Strictly for those who love roller coasters. Witness unique design and breathtaking construction as we interview the people behind such machines, including John Wardley. Today, ultra modern computer technology is employed to design roller coasters, offering the thrill-seeker the tallest, fastest, most thrilling and daring twists and turns, loops and corkscrews in complete safety. (This Portuguese production carries both Portuguese and English narration with optional English subtitles for the hearing impaired). ANDY SHINE SAYS: An educational programme that also attempts to provide a thrill-seeker’s psychological profile – which adds a nice touch. ANDY SHINE’S RATING: Good / Recommended.