** FILE ** Investigators work at the site of the Polish presidential plane crash in Smolensk, Russia, on Monday, April 12, 2010. Polish President Lech Kaczynski, his wife, and some of the country's most prominent military and civilian leaders died along with dozens of others when the plane went down as it came in for a landing in thick fog. (AP Photo/Sergey Ponomarev)
** FILE ** Trainer Dawn Brancheau poses while performing at SeaWorld in Orlando, Fla., in 2005. Ms. Brancheau was killed in an accident with a killer whale in 2010. (Associated Press/Orlando Sentinel, Julie Fletcher)
**FILE** Passengers on Northwest Airlines Flight 253 were evacuated after arriving at Detroit Metropolitan Airport from Amsterdam on Christmas Day in 2009. Officials accused a Nigerian aboard, identified as Umar Farouk Abdulmutallab, of trying to ignite an explosive device in his underwear. Northwest merged with Delta Air Lines in 2008. (Associated Press)
Former U.N. driver Jean Berchimas Rwagitinywa, a Tutsi, shows journalists the courtyard of a home in Kigali, Rwanda, where nine people were killed in the 1994 massacre. He escaped by jumping over a fence. (Associated Press)
This artist rendering shows NASA's next generation of moon rockets being developed at the Marshall Space Flight Center in Huntsville, Ala. Preliminary work on two Ares spacecraft has already cost NASA $7 billion.
Snow-covered traffic lights caused a fatal accident during a snowstorm in Oswego, Ill., in April. The problem stemmed from replacing incandescent lights with energy-efficient ones, which aren't hot enough to melt the snow.
ASSOCIATED PRESS PHOTOGRAPHS
Bo Burns (above and below) works at K&B Timberworks Inc., a recently reopened mill in Reserve, N.M., which was without one after 1990. The owner says the mill's future depends on federal contracts to thin forestland for wildfire prevention, funded in part by a federal timber law that has been extended beyond its original intent of helping communities hard hit by environmental restrictions on logging.
** FILE ** A U.S. Humvee of the 3rd Brigade, 10th Mountain Division, drives near a crater caused by a roadside bomb attack on a U.S. vehicle in Tangi Valley in Wardak province, west of Kabul, Afghanistan, in 2009.
More than four feet of sand is brought to the beach along the seawall in January in Galveston to repair the damage caused by Hurricane Ike. According to Steve LeBlanc, the city manager of Galveston, the sand is being brought over to the seawall from the east end of the island. In some places, they are adding up to 200 feet of beach. The main concern is to protect the wood pylons beneath the concrete of the seawall. (Associated Press)
"Taps" is played at Ground Zero during a 9/11 memorial ceremony on September 11, 2009 in New York City. Family of the victims, government officials and others gathered at the annual ceremony to remember the attacks that killed more than 2,700 people with the destruction of the World Trade Center, the crash at the Pentagon and United 93 in Shanksville, Pennsylvania on September 11, 2001. (Photo by Chang W. Lee-Pool/Getty Images)
Locals wait out a storm in Goma, where the main thoroughfare is choked with potholes that fill with rainwater. Hunger and disease have killed an estimated 5 million people in Congo since 1998. "By any yardstick, [Congo] has been a humanitarian disaster, and one the world has ignored," says John Holmes, undersecretary-general of the U.N. Office for the Coordination of Humanitarian Affairs. (Mary F. Calvert/The Washington Times)