Or wait and get them on the return trip. From the ledge with the shotgun ammo, take a running jump onto the wooden slope that angles down to the left. Slide and quickly jump to grab the handhold on the wall ahead. (This screenshot shows the spot.) Climb to the right and jump to grab the wooden platform. Pull up and get another box of shotgun ammo . (Again, if you already have 40 shells, you can get these on the way back.) Take a running jump to grab the horizontal pole, swing, jump and grab the lower handhold on the wall ahead. Jump up, climb around to the left and pull up near CHECKPOINT 10 . Turn right onto the wooden part of the ledge and jump to grab the handhold ahead. Climb to the left then jump backward across the deep pit to grab the opposite wall. Climb to the right. (This is a good place to tap Interact repeatedly to climb faster.) Drop down near the large medipack and quickly draw guns to shoot 2 bats that fly in from the area from which you came. If you're not in a hurry, take a brief detour for a pick-up: Turn to face out over the pit. On the opposite wall, you'll see some stone handholds. Take a running jump to grab the upper handhold. The one below is broken off on the left side, so climb to the right and then drop down twice. Climb back to