Amazing spy who is leaving his traces all over. Also if the blueprint is on tiles, why would they keep lights on 24/7? Like no need to spend electricity if it’s not a machine
Im gessing that without the light in the room, moonlight or sunlight at a certain angle would reflect in a way that the writing would become more visible? Like if its scratched on the tiles? Eh just my thoughts
Amazing spy who is leaving his traces all over. Also if the blueprint is on tiles, why would they keep lights on 24/7? Like no need to spend electricity if it’s not a machine