WASHINGTON D.C., Sept. 12, 2014 (Xinhua) — An exhibition “Spinosaurus: Lost Giant of the Cretaceous”, featuring a life-sized skeletal model of Spinosaurus, is unveiled at National Geographic Museum in Washington D.C., capital of the United States, Sept. 11, 2014. Scientists on Thursday unveiled what appears to be the first truly semiaquatic dinosaur, saying the monster may have spent much of its life in Africa’s ancient “river of giants”, feeding on giant sharks, sawfish and lungfish and other aquatic prey. (Xinhua/Bao Dandan)
