 Dr Barlow orders Alek, with Klopp, Hoffman, and Bauer, to assemble the metal contraption and keep it secret.The loris shows them how it detects metal with Barlow's necklace.Flying over Tunguska, Siberia, they notice the area has been destroyed, trees have been flattened and point in one direction, and many stripped corpses are present, including that of another organic airship.