Question: In the openings scene, the prehuman drinks a tar-like fluid (like the one poisoning Halloway later on), while looking at a spaceship hovering above. He then dies, falls into the river and disintegrates. I do not understand this scene, is he the last of the surviving prehumans committing suicide and the ship above is the others leaving the planet?
Question: Near the end, Dr Shaw is seen lowering something to the ground. It looks like a body - is it, or what is it?
Question: The cave paintings found in the Isle of Skye are reckoned to be 35,000 years old. Is this possible? Would not Skye have been under several metres of ice 35,000 years ago?