A model of Slotzilla is seen during a press conference in Las Vegas Tuesday, Nov. 27, 2012. Slotzilla is a permanent zipline attraction planned for downtown Las Vegas. (AP Photo/Las Ve

 

              A model of Slotzilla is seen during a press conference in Las Vegas Tuesday, Nov. 27, 2012. Slotzilla is a permanent zipline attraction planned for downtown Las Vegas.  (AP Photo/Las Ve
A model of Slotzilla is seen during a press conference in Las Vegas Tuesday, Nov. 27, 2012. Slotzilla is a permanent zipline attraction planned for downtown Las Vegas. (AP Photo/Las Vegas Review-Journal, John Locher)