The Philadelphia International Airport is the 9th busiest airport in the world. The Philadelphia Marketplace Food, Shops and services at the airport have a mind-boggling number of eateries, retail stores that sell everything that one can think of, and a number of newsstands.
(See a gallery of plesiosaur and pliosaur pictures.) Plesiosaurs (Greek for almost lizards) were large, long-necked, four-flippered marine reptiles that paddled their way through the oceans, lakes, rivers and swamps of the Jurassic and Cretaceous periods.
Quick Plesiosaurus Facts: - Lived from the Early to the Middle Jurassic Period - Lived in oceans all over the world - Was a marine reptile - May have laid eggs in the sand like sea turtles - Was twice as long as a horse - Weighed twice as much as a pig - They breathed air - Was a Piscivore and/or Carnivore