So I found 2 red letters (C at -28.30,-57.30; M at 34.61,135.73), as well as three red signs (- sign at 35.11,-75.98, 9 at 76.50,-24.01, and 1 at 68.92,40.64) so there’s probably a super secret location given by the red coordinates but I don’t know what the letters mean.