You see strange symbols.
Another set of strange symbols.
Location
Notes
If you translate the smaller dots to a zero and the larger dots to a one, you could say it contains a binary pattern, with 8 bits per line:
01010010 01011010 01010001 01000001 01001100 01010100 01010001 01000100 01000101
Part of the Opticording Sphere Quest.