During World War I, a German U-boat sinks a British ship and takes the people who were on board with it. Following a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals, among other things.
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During World War I, a German U-boat sinks a British ship and takes the people who were on board with it. Following a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals, among other things.
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