The grayback move carefully to the edge of ridge. The valley was shrouded in mist that curl about the cliff and the true height of the plateau was hidden . The grayback feel the ground slide, tiny stones rolled forward. He reach out but grabbed only wisps of mist. Down into the valley he tumbled
3.5 million years later a team of Stanford students discover the fossils remains of the oldest know ancestor of modern man. The team carefully loads the plane with the fossils unfortunately a mist shrouded the valley and plane, team and fossil crash into the cliff.