Question: In which Florida city is Skyplex being constructed, featuring Skyscraper, the tallest rollercoaster in the world?

<P0-S0>  100 Places". <P0-S1>  Harry Wolf (architect) based its measurements on the Fibonacci series. <P0-S2>  in which each number is the sum of the two preceding numbers. <P0-S3>  With 31 floors, it is the sixth tallest building in Tampa. <P0-S4>  The building was constructed in 1988 as headquarters for NCNB, a predecessor to Nations Bank. <P0-S5>  The distinctive cylindrical shape was meant to symbolize a lighthouse and represent optimism. <P0-S6>  Parking is provided in a two-story sub level structure with a total of 731 spaces. <P0-S7>  The Gulf of Mexico can be seen from the building. <P0-S8>  On April 18, 2012, the American Institute of Architects's Florida Chapter placed the Rivergate Tower on its list of "Florida Architecture: 100 Years. <P0-S9>  The building was purchased by In-Rel Properties in 2011. <P0-S10>  It cost $150 million. <P0-S11>  The building was constructed from 1986 to 1988. <P0-S12>  Rivergate Tower's principal tenant is Sykes Enterprises, a publicly traded company that operates technical help and customer support centers internationally. <P0-S13>  His design for Rivergate Tower was given the 1993 National Honor Award from the American Institute of Architects. <P0-S14> The Rivergate Tower is a 454 ft (138m) tall skyscraper in Tampa, Florida. <SEP> <P1-S0>  Under development by American and Swiss manufacturers US Thrill Rides and Intamin, the attraction will be a Polercoaster model which utilizes an observation tower as its main support structure. <P1-S1>  After several delays, Skyscraper is expected to open in 2020 with construction on the Skyplex complex beginning in 2017. <P1-S2>  Upon completion, it will become the tallest roller coaster in the world at over 500 ft and will feature both the steepest drop and highest inversion. <P1-S3> Skyscraper is an upcoming roller coaster that will be located at the planned Skyplex complex in Orlando, Florida. <SEP> <P2-S0> The world's first skyscraper was built in Chicago in 1885. <P2-S1>  Since that time, the United States has been home and still is home to some of the world's tallest skyscrapers. <P2-S2>  New York City, specifically the borough of Manhattan, notably has the tallest skyline in the country. <P2-S3>  Eleven American buildings have held the title of tallest building in the world (9 in New York City). <P2-S4>  New York City and Chicago have always been the centers of American skyscraper building. <P2-S5>  The 10-story Home Insurance Building, built in Chicago in 1885, is regarded as the world's first skyscraper; the building was constructed using a novel steel-loadbearing frame which became a standard of the industry worldwide. <SEP> <P3-S0> Skyplex 360 is an entertainment complex owned by Wallack Holdings LLC that is scheduled to open in 2020. <P3-S1>  It will be located on a 14 acre lot at the Northeast corner of Sand Lake Road and International Drive in Orlando, Florida. <P3-S2>  The complex will include a 570 ft tower, which will feature the world's tallest roller coaster, Skyscraper, and the world's largest Perkins Restaurant and Bakery. <P3-S3>  It is expected to cost , be 1500000 sqft , and include a 2,400-car parking with valet.