Pathway indicated by dirt and height
Cave visible through;
composition
lack of snow in that area
the fog suggesting depth
First introduction to climbing on something, by blocking the path
After ducking you can follow 2 paths indicated by the dirt on the ground. I used decals to suggest places to climb unto.
With gravel I tried to point out the direction the player has to go to. The other corridors are dead ends.
With light I draw attention to the statue and the path upstairs. The circles on the ground are from a different kind of stone, indicating something might happen with them. The buttons on the ground stick out, looking interactive. The white squares in the background draw attention to the side rooms.
With a pillar behind the mask and perspective I draw attention to the mask