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This computer generated image courtesy of SeaWorld shows an artist rendition of the new SeaWorld show "One Ocean." The new SeaWorld show will feature killer whales as ambassadors of the sea with an educational theme. (AP Photo/SeaWorld)

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In this photo taken Wednesday, Feb. 2, 2011, U.N. humanitarian chief Valerie Amos shakes hands with women in a camp of displaced people in Galkayo town in Somalia. The U.N. and aid agencies are warning of a possible catstrophe in Somalia, where a severe drought has plunged millions of Somalis into crisis. The drought has increased the number of malnourished children, displaced thousands of people and killed thousands of animals. (AP Photo/Malkhadir Muhumed)

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The homes, which have modernized floor plans, range in size from 518 to 1,316 square feet. Monthly condo fees start at $200.

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NV Homes is building 11 single-family homes on 6,000-square-foot sites at Holly Manor in Annandale. The Bentley Place model homes have approximately 3,580 finished square feet, with base prices from $699,990 to $799,990.

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Craftmark Homes is building more than 70 single-family homes on 17,945-square-foot sites at Oak Creek in Upper Marlboro. The homes have 2,748 to 5,136 finished square feet, with base prices from $464,900 to $634,900.

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Demonstrators hold pictures of Haiti's ousted President Jean Bertrand Aristide during a protest demanding his return in Port-au-Prince, Haiti, Wednesday Feb. 2, 2011. (AP Photo/Rodrigo Abd)

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Louisiana Gov. Bobby Jindal, seen here Nov. 1 in New Orleans announcing an agreement by BP to provide funding for seafood-safety testing, coastal-restoration efforts and tourism marketing after April's Gulf of Mexico oil spill, said Wednesday the claims process "remains unfair to claimants." (Associated Press)

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Gregory Jaczko, U.S. Nuclear Regulatory Commission chairman, sees no time frame for the Yucca Mountain nuclear waste repository decision. (Associated Press)

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An American Electric Power worker clears a tree from a power line Wednesday, Feb. 2, 2011, in Canton, Ohio. An ice storm left hundreds of thousands in the dark across Ohio on Wednesday and gave way to melting slush before plunging temperatures and high winds threatened to bring new outages and a repeat of treacherous, icy conditions. (AP Photo/Tony Dejak)

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A man photographs high waves from Lake Michigan, Wednesday, Feb. 2, 2011, in Milwaukee. The area was under a blizzard warning and some freeways were shut down. (AP Photo/Jeffrey Phelps)

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Icicles hang from a sign Wednesday, Feb. 2, 2011 in Hightstown, N.J. Freezing rain overnight left a coating of ice on New Jersey roads, encased trees and power lines, and glazed snow drifts. (AP Photo/Mel Evans)

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People enjoy high waves from Lake Michigan, Wednesday, Feb. 2, 2011, in Milwaukee. The area was under a blizzard warning and some freeways were shut down. (AP Photo/Jeffrey Phelps)

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Charlotte, North Carolina. (Associated Press)

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Hospital patients are transported to safety as Cyclone Yasi threatens massive damage in Cairns, Australia. Extra commercial flights were scheduled so residents could evacuate. (Associated Press)

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A freezing mist settles over Washington at dawn on Tuesday, Feb. 2, 2011, as icy winter weather advances toward the nation's capital. The Washington Monument is seen in the distance amid the cherry trees bordering the Tidal Basin. (AP Photo/J. Scott Applewhite)

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A tree-trimming crew clears frozen tree branches from power lines as an Ohio Department of Transportation crew plows and spreads salt on State Route 721 at U.S. 36 near Bradford, Ohio, on Tuesday, Feb. 1, 2011. (AP Photo/Piqua Daily Call, Mike Ullery)

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An ice-covered tree glistens from spotlights on the grounds of the Indiana War Memorial in downtown Indianapolis on Monday, Jan. 31, 2011. (AP Photo/Michael Conroy)

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Two local residents walk through floodwater after getting ice and food to take to their flooded residence in the suburb of New Farm in Brisbane, Australia., on Jan. 13, 2011. Cyclone Yasi, a strong tropical cyclone, roared toward Australia's flood-ravaged northeast on Monday, Jan. 31, 2011, prompting evacuations and warnings from officials that the storm could be the worst the already-swamped region has ever seen. (AP Photo/Tertius Pickard, File)

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** FILE ** Iranian technicians work at the Bushehr nuclear power plant outside the southern city of Bushehr, Iran, in August 2010. (AP Photo/International Iran Photo Agency, Ebrahim Norouzi, File)