Facing the way you came, climb on the stone beam and walk to the left.

Jump to grab the handhold on the pillar and traverse to the left around the corner.

Jump back to land on the small stone beam...

and jump to grab the handhold of the pillar ahead. Traverse around the corner and perform the Chimney Jump using the adjacent wall to reach the upper handhold of the pillar.

Traverse around one corner and stop. Notice the handhold of the pillar on the left. Press Left and Jump to reach it.

Then jump to grab the handhold of the next pillar on the left.

Traverse around the corner and release to land on the stone beam. Walk to the other side and release to grab the edge of the beam. Traverse to the handhold of the low pillar and release to grab the lower handhold.

Jump to grab the handhold on the wall to the left and traverse to the left around the corner. Climb on the ledge and go around to the right to get the Treasure (7/30) from the balcony.