wichita.edu
… your Cargo Ship arrives at an equatorial island in the Pacific Ocean, you can see a thin, bright, vertical line bisecting the sky. As the ship draws closer, you see that the base of the line terminates at a large building that occupies much of the island. Your gaze follows the bright line from the building upward, but you cannot see its far end. The line is…
https://www.wichita.edu/academics/engineering/k12/kansasbest/game-history/2012.php