During March to May, 1998, Zigong dinosaurs have been displayed in “'98 International Dinofest” in Philadelphia, United States of America. On the party that more than 80 dinosaur skeletons and hundreds of different dinosaur exhibits from 8 countries including America, China, and Canada were exhibited, Zigong dinosaurs became the leading actor of the exhibition for their grand vigor and bright features. The festival lasted one month and attracted over 400,000 person times.

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