File:E1m1 notes (lights & keys).jpg

‘''These are the concepts for the light pylons I created for this level. I don't think they were used anywhere else in the game. Also, there are keycard concepts here, too.''’ — John Romero. Source: http://romero.smugmug.com/Video-Games/Quake/11299110_sftJNZ#!i=792938359&k=37rJkdp