This concept was also featured in the adventure game "The Journeyman Project 3: Legacy of Time", where the player travels back in time to an Incan settlement th

This concept was also featured in the adventure game "The Journeyman Project 3: Legacy of Time", where the player travels back in time to an Incan settlement that was meant to be the inspiration for El Dorado, and discovers that simple hot-air balloons were used for transport. https://en.wikipedia.org/wiki/The_Journeyman_Project_3:_Legacy_of_Time https://en.wikipedia.org/wiki/The_Journeyman_Project_3:_Lega... http://www.mobygames.com/images/shots/l/167030-the-journeyman-project-3-legacy-of-time-windows-screenshot.jpg http://www.mobygames.com/images/shots/l/167030-the-journeyma... http://www.mobygames.com/images/shots/l/167031-the-journeyman-project-3-legacy-of-time-windows-screenshot.jpg http://www.mobygames.com/images/shots/l/167031-the-journeyma...