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In this March 19, 2010 photo, sun rays filter through clouds over 5,267-foot Mount Katahdin in Maine's Baxter State Park. Last year, starting in March, more than 1400 hikers set off from Georgia's Springer Mountain with the goal of reaching the summit of Mount Katahdin, the northern terminus of the 2,100-mile Appalachian Trail. About 350 hikers completed the northbound hike, according the the Appalachian Trail Conservancy.

A sea lion catches a fish during meal time at the Hakkeijima Sea Paradise aquarium-amusement park complex in Yokohama, southwest of Tokyo, Japan Saturday, March 20, 2010.

Pittsburgh's Jermaine Dixon, left, falls back after his shot was blocked by Oakland, Mich. player Larry Wright during the first half of an NCAA first-round college basketball game in Milwaukee, Friday, March 19, 2010.

Masked Palestinian demonstrators seen during clashes with Israeli troops, not seen, in the east Jerusalem neighborhood of Issawiyeh. Friday, March 19, 2010. Palestinians in east Jerusalem and the West Bank lobbed rocks at Israeli security forces, set garbage bins and tires ablaze and torched an Israeli flag in a new outbreak of violence over contested Jerusalem building plans and unsubstantiated rumors about threats to the city's holiest shrine.

A jaguar sticks out its tongue as it strolls through its outdoor enclosure in a Spring temperature of around 18 degrees Celsius (64 degrees Fahrenheit) at the Schoenbrunn zoo, in Vienna, on Friday, March. 19, 2010.

With the backdrop of illuminated Rainbow Bridge and Tokyo skyline, an image of shark appears during Odaiba water illumination show in Tokyo, Friday, March 19, 2010. The 20-minute slide show of ocean creatures projected on a water screen created by a fountain set along a beach at the Tokyo Bay area, will be performed four times a day after dark until April 11, 2010.

Northern Iowa's Tyson Reiner, bottom, tries to get free from Virginia's Dan Gonsor, during their match at the NCAA Wrestling Championships on Thursday March 18, 2010, in Omaha, Neb.

Two swans are sitting on the partly frozen lake Zeller See in Zell am See in the Austrian province of Salzburg, on Thursday, March 18, 2010. Meteorologists predict warm temperatures for the upcoming days.

One of 22 hot air balloons flies over at the start of the Putrajaya Hot Air Balloon Fiesta in Putrajaya, Malaysia, Thursday, March 18, 2010. Twenty two balloons from ten countries participated in the annual event.

A man fishes on the Moscow River with city skyscrapers under construction in the background, in downtown Moscow, Wednesday, March 17, 2010. Temperature is still below zero, about -10 C (14 F).