Turn Mirror 1 to the left to restore the path to Mirror 2 and cross it.Jump over to the pole, then cross all the way back to Mirror 1.Jump to the pickaxe wall to the left of the pole, then climb up to ledge above.Turn Mirror 3 to the left until it points at the closest pole (the one you just crossed) and restore the path back to Mirror 1.When you move Mirror 3, the central platform will descend and block the beam from Mirror 2, so you’re trapped here for now. And that’s how you’re going to solve this puzzle - you’ll move a mirror away from the central platform toward one of the T-shaped poles, then move on to another mirror. For the T-shaped pillars between the mirrors, pointing a mirror at them will rotate them so you can cross them. For the large platform in the center, the mirrors are holding the platform up - which is what you’re trying to undo. The mechanic here is that when you point a light beam at the green collar on a pillar, it will turn.
There’s a twist to this one, though - you’re not trying to point the light at a target, you’re trying to point it away from the center. You’re probably familiar with this puzzle’s gimmick: Use the mirrors to bounce beams of light around. Duck under the door to find this tomb’s puzzle.Head through the hallway that was ahead of you when you landed, and follow it to the left.Up the stairs behind you, there’s some gold offerings near the top. There’s another mural up the stairs to your left.