Here are some of the best recent photos from Associated Press photographers around the world.
President Barack Obama greets students before the Joplin High School commencement, a day before the anniversary of the twister that killed 161 people, Monday, May 21, 2012, in Joplin, Mo. Obama jetted to Joplin to deliver the commencement address immediately after wrapping up the national security-focused NATO conference in Chicago, the second international summit the president hosted over the past four days. (AP Photo/The Kansas City Star, Rich Sugg, Pool)
Niagara Falls emergency officials rescue a man who plunged over Niagara Falls and survived in an apparent suicide attempt, Monday, May 21, 2012. The man is only the third person known to have gone over without a safety device and live. A waiting helicopter flew him to Hamilton General Hospital, where a spokeswoman says he has critical but non-life-threatening injuries. (AP Photo/Harry Rossetani)
Oklahoma City Thunder guard Russell Westbrook (0) reacts after hitting a basket against the Los Angeles Lakers in the third quarter of Game 5 in their NBA basketball Western Conference semifinal playoff series, Monday, May 21, 2012, in Oklahoma City. (AP Photo/Sue Ogrocki)
John Fiorenzo, center, catches a brief nap during the address to the graduates at his Boston College Commencement ceremony while a classmate yawns behind him at Alumni Stadium on the university's campus in Boston, Monday, May 21, 2012. Fellow graduates Patrick Dingham, left, and Brandan Kirby, right, watch the stadium's score board jumbotron. All of the men received their Bachelors of Science degrees from the university's Carrol School of Management. (AP Photo/Stephan Savoia)
President Barack Obama, center, with Secretary General Anders Fogh Rasmussen, and other leaders pose during the NATO family photo at Soldier Field at the NATO Summit in Chicago, Sunday, May 20, 2012. (AP Photo/Pablo Martinez Monsivais)
A NATO protestor is arrested after refusing to let go of a police bicycle, Saturday, May 19, 2012, in Chicago. Security has been high throughout the city in preparation for the NATO summit, where delegations from about 60 countries will discuss the war in Afghanistan and European missile defense. (AP Photo/John Minchillo)
Hikers watch an annular eclipse from Papago Park in Phoenix on Sunday, May 20, 2012. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across China, Japan and elsewhere in the region before moving across the Pacific to be seen in parts of the western United States. (AP Photo/The Arizona Republic, Michael Chow)
A business man watches an annular solar eclipse at a waterfront park in Yokohama, near Tokyo, Monday, May 21, 2012. Millions of Asians watched as a rare "ring of fire" eclipse crossed their skies early Monday. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across the continent. (AP Photo/Shuji Kajiyama)
The moon slides across the sun, showing a blazing halo of light, during an annular eclipse at a waterfront park in Yokohama, near Tokyo, Monday, May 21, 2012. Millions of Asians watched as a rare "ring of fire" eclipse crossed their skies early Monday. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across the continent. (AP Photo/Shuji Kajiyama)
Demonstrators opposing the government's education and labor policies are arrested by riot police, near the Chilean Congress where President Sebastian Pinera was delivering his State of the Nation address in Valparaiso, Chile, Monday, May 21, 2012. (AP Photo/Luis Hidalgo)
In this photo provided by the Shawinigan Cataractes, Cataractes Loik Poudrier (72) celebrates his team's third and tying goal against Edmonton Oil Kings goalie Laurent Brossoit (31) during third-period hockey game action at the Memorial Cup, Friday, May 18, 2012, in Shawinigan Quebec. Oil Kings Henrik Samuelsson, center, looks on. (AP Photo/The Canadian Press, The Shawinigan Cataractes, Vincent Ethier)
Iraqis walk through Tahrir Square during a heavy sandstorm in Baghdad, Iraq, Tuesday, May 22, 2012. The sandstorm prompted the shutdown of Baghdad's airport on Monday and brought travel complications for envoys trying to reach the Iraqi capital for nuclear talks between Iran and six world powers scheduled to begin Wednesday. (AP Photo/Hadi Mizban)
Israeli youngsters dance to the sound of electronic music in a bar at the coastal city of Ashkelon, Israel, Saturday, May 19, 2012. (AP Photo/Tsafrir Abayov)
An Ultra Orthodox Jewish man harvests wheat ahead of the Jewish Shavuot holiday, in a field outside the Israeli community of Mevo Horon, Sunday, May 20, 2012. The Jewish holiday of Shavuot, commemorating Moses receiving the Ten Commandments and also a harvest holiday, begins next Monday sundown. (AP Photo/Ariel Schalit)
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