The Walls - Part Three

You are trapped in a strange place, and it all started so well. Your team during an expedition to the Mayan ruins of the city ran into the mysterious plate. while the guys tried to decipher the writing on it, you accidentally clicked some lever and perch that hour in the darkness of the dungeon. Your torch almost extinguished, but it is here on the walls everywhere? Perhaps this is the key to the exit to the surface?