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In this Aug. 26, 2014 photo, bones from a Dreadnaughtus schrani are displayed at a lab at  Drexel University in Philadelphia. The immense dinosaur from Patagonia is slated to be introduced to the scientific community Thursday, Sept. 4, 2014. Scientists hope its unusually well-preserved bones will help reveal secrets about some of the largest animals ever to walk the Earth. The four-legged beast with a long neck and tail weighed an estimated 65 tons and stretched about 85 feet long. (AP Photo/Jacqueline Larma)
Photo by: Jacqueline Larma
In this Aug. 26, 2014 photo, bones from a Dreadnaughtus schrani are displayed at a lab at Drexel University in Philadelphia. The immense dinosaur from Patagonia is slated to be introduced to the scientific community Thursday, Sept. 4, 2014. Scientists hope its unusually well-preserved bones will help reveal secrets about some of the largest animals ever to walk the Earth. The four-legged beast with a long neck and tail weighed an estimated 65 tons and stretched about 85 feet long. (AP Photo/Jacqueline Larma)

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