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From a biplane's cockpit, the aircraft flies over a desert landscape with ruined structures, then dives toward the ground as another biplane flies nearby; the view shifts to a ground-level battle where a steam-powered tank and horse-mounted soldiers advance through the desert, followed by a first-person view through a gun sight targeting a tank and a rider, and finally, the biplane is shown in a steep dive over the desert, with a burning tank visible below.