But after a day in which we saw the Quidditch camp, the Pensieve scene room, the underwater tank, the DADA classroom, Dumbledore's office, the Gryffindor dorm and common room (dressed this time, as opposed to last), models for to-be-built sets, a trophy room, the acres of costumes for the film, the 30-foot animatronic Horntail dragon, and more - after a day in which we met the blushing Robert Pattinson, composed Clemence Poesy and deceptively mild Stanislav Ianevski - after a day in which it became clear that Mike Newell is a mastermind at turning a flat scene into a hilarious one - we left Leavesden positively bouncing in anticipation.

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Thanks to their sleek bodies and strong paddle-like flippers, gentoos are the world's fastest underwater swimming birds, reaching speeds of up to 22 miles an hour (36 kilometers an hour).

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ANTARCTICA follows man's thirst for exploration to the highest, driest, windiest, coldest continent on Earth. Audiences will marvel as they take a harrowing helicopter ride through icy crevasses and towering pinnacles; dive with the first humans to swim through a crystalline cavern submerged within a glacier; drill through centuries-old ice to unlock the secrets of Antarctica's past; and join a company of penguins in a graceful underwater ballet.

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Hang gliding, sky diving, parachuting or bungee jumping; Snow skiing or snowboarding, except for recreational downhill and/or cross-country snow skiing or snowboarding (no cover provided whilst skiing away from prepared and marked in-bound territories and/or against the advice of the local ski school or local authoritative body); Racing by any animal or motorized vehicle; and spelunking; and subaqua pursuits involving underwater breathing apparatus unless NAUI/PADI certified, accompanied by a certified instructor, and at depths of less than 10 meters; jet skiing; and any other sport or athletic activity which is undertaken for thrill seeking and exposes you to abnormal or extreme risk of injury.

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