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.Jump onto the pole, then swing across to the pickaxe wall.From the Temple of the Sun Base Camp, walk over to the opening in the wall to the right.Head back up to the top of the stairs and climb the broken ladder to find the Temple of the Sun base camp.Take the first right and go down the stairs to find a mural.Inside, walk forward and grab the document on your right.Jump across the gap and use the ledges to climb into the tomb.Continue along that way and you’ll see the tomb entrance above you on your left.

You’re aiming for the ledge on the left, but it’s going to take a bit of momentum to get to it. Pickaxe into the rock, then climb up to the ledge. Jump forward and grapple swing over to the wall ahead of you. Eidos Montreal, Crystal Dynamics/Square Enix via Polygon