Sky Trek Tower
... that in 2016 an inflatable gorilla was erected on the top of the Sky Trek Tower for Six Flags Great America's Halloween event Fright Fest?
... that in 2016 an inflatable gorilla was erected on the top of the <b id="mwLA"><a href="./Sky_Trek_Tower" id="mwLQ" rel="mw:WikiLink" title="Sky Trek Tower">Sky Trek Tower</a></b> for <a href="./Six_Flags_Great_America" id="mwLg" rel="mw:WikiLink" title="Six Flags Great America">Six Flags Great America</a>'s Halloween event <a href="./Six_Flags_Fright_Fest" id="mwLw" rel="mw:WikiLink" title="Six Flags Fright Fest">Fright Fest</a>?