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.
diÂ·plodÂ·oÂ·cus. A very large plant-eating dinosaur of the Jurassic Period. Diplodocus had a long, slender neck and tail and a small head with peg-like teeth, and could grow to nearly 90 feet (27 meters) in length. It is one of the longest sauropod dinosaurs known.