There's light-emitting crystals in the cave, obviously.
"You've all been selected for this mission because you each have a special skill. Professor Hawking, John Leslie, Phil Neville, the Wu-Tang Clan, Usher, the Sugar Puffs Monster and Daniel Day-Lewis! Welcome to Operation MindFuck!"
Yeah, we seem to engaged in storyline more than the finding we should be doing, but nothing wrong with that, we have no evidence to prove anything yet, of anyone, so why not make a good storyline.
There is only one way of avoiding the war – that is the overthrow of this society. However, as we are too weak for this task, the war is inevitable. -L. Trotsky, 1939