the left. It's hard to see it, but if you press Back/Down to make Lara lean away from the wall, you can just glimpse an opening on the wall behind her. Jump back to grab the edge. Climb in and follow the tunnel to the end where you'll find another large medipack . Return to the opening, take a running jump across the pit to grab the lowest handhold. Climb to the right, then up twice, then to the left. From the left end of the highest handhold, you can jump back to grab another handhold above and to the right of the tunnel opening. Jump up to grab the ledge and pull up. (These screenshots show the path from the ledge to the opening and back.) Now cross over the wooden part of the ledge and climb into the raised opening. Follow the mossy tunnel to CHECKPOINT 11 . Just beyond the checkpoint is a wooden platform , which collapses as soon as Lara steps on it. There's no way to avoid this. Just slide down into the lower tunnel and continue forward to CHECKPOINT 12 . GREEN VALLEY WITH WATERFALLS & WOODEN BRIDGES: There are a few pick-ups to be had in this area, but as soon as you step into the open, 3 velociraptors appear ahead on the left side of the valley and charge toward Lara. It may be possible to get all the items before confronting the raptors, however, by avoiding the spots that trigger