Vienna (17th January 2011) Innovative lighting technology from the high-tech company zactrack plays a vital role in the new "Holiday on Ice" show "TROPICANA". After causing many a sensation abroad, the automated follow-spot-system is in action in Austria for the first time. From the 19th to the 30th January 2011 spectators can not only be enthused by acrobatics, but also by perfection in terms of lighting. Until the end of January, breathtaking acrobatics and extraordinary