Great real world article to help inspire a DM. Could lend bigger need to have rope use and having sky dungeons.
Pictures: "Body Jars," Cliff Coffins Are Clues to Unknown Tribe#/body-jars-log-coffins-unknown-tribe-clay-jar_53325_600x450.jpg#/body-jars-log-coffins-unknown-tribe-skeleton_53329_600x450.jpg#/body-jars-log-coffins-unknown-tribe-rings_53327_600x450.jpg#/climber-skull-himalayan-cave-culture_32522_600x450.jpg#/body-jars-log-coffins-unknown-tribe-rings_53327_600x450.jpg#/body-jars-log-coffins-unknown-tribe-researcher_53326_600x450.jpg#/body-jars-log-coffins-unknown-tribe-skulls_53324_600x450.jpg