Uncharted 3: Drake's Deception Walkthrough Crushing (Chapter 11: As Above, So Below Pt. 2/3)

Nate discovers the location of the lost city through a celestial map only Sully can read from his time in the Navy. Then the gang gets chased down by creepy crawlers, but luckily escapes. Then they discover English messages from Francis Drake warning them about what lies in the lost city, and then Nate and the others tries to get out of the well, but are ambushed.