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Four-Winged Dinosaur, The 1x57

Imagine a moment from the age of dinosaurs frozen in time: primitive birds, bees, insects, early mammals, the first known flowering plants, and of course, dinosaurs, all exquisitely preserved in fine-grained fossils from China’s Liaoning province. Volcanic eruptions in this dinosaur Pompeii killed and buried victims quickly, capturing soft, fragile features not normally preserved in fossils: notably the feathers on animals that had never been known to have them before. Now, with state-of-the-art animation to bring this lost world to life, NOVA investigates the mysterious feathered dinosaurs that are challenging old ideas about the origin of bird flight, assembling a team of top paleontologists, aeronautical engineers, and paleo-artists. The results have surprising implications for long-accepted ideas about how winged flight began.