Delphic

Solve the mystery around the ancient resting being. 

How to:
Match images using the shapes on the corner of the triangle and the image down below. 

Listen to the music as it will change when you near the correct placement.

Credits

Tia Carolina Ihalainen, Arhi Makkonen and Topi Paavilainen. 

With special thanks to Reino Hämäläinen.

Spoilers:
There are four puzzles that you need to match.

First one can be found on the left down corner, second one around right upper corner, third one is on the left upper corner and the fourth around the middle upper corner. 

full playthrough: