The week in XX photos – A woman flees as a riot police officer beats her with a baton Tuesday, May 20, in Nairobi, Kenya. Hundreds of Nairobi University students took to the streets and faced riot police as they protested against a proposed increase in school fees.
The week in XX photos – Two jets from the Swiss Patrol, an aerobatic team in the Swiss Air Force, fly close together during the Berlin Air Show on Tuesday, May 20. The air show continues through Sunday, May 25.
The week in XX photos – In this photo released by the White House, U.S. President Barack Obama slides across a counter to pose with staff members at a Shake Shack restaurant in Washington on Friday, May 16. Vice President Joe Biden, lower right, also did the same.
The week in XX photos – A suicidal man, bottom, fights off a police officer trying to prevent him from jumping off the sixth floor of a building in Chengdu, China, on Wednesday, May 21. The man eventually was talked down by a woman he had recently broken up with, a police spokesman said.
The week in XX photos – A supercell thunderstorm is seen above Sidney, Nebraska, on Monday, May 19. A supercell can produce severe winds and powerful tornadoes. It can also produce damaging hail, flash floods and unusually frequent lightning.
The week in XX photos – Sergio Diaz, chief of the Riverside Police Department in Riverside, California, presents a flag to Regina Crain, the widow of slain police officer Michael Crain, during a memorial ceremony Monday, May 19. Michael Crain was among those killed by former Los Angeles police officer Christopher Dorner in February 2013, authorities said. At left providing comfort to Regina Crain is nephew Tyler Camonte.
The week in XX photos – A Montagu's Harrier carries a lizard at a meadow near Mallnow, Germany, on Tuesday, May 20.
The week in XX photos – A Ukrainian coal miner smiles after finishing his shift at a mine outside Donetsk, Ukraine, on Tuesday, May 20.
The week in XX photos – A boy rides his bicycle along a street in Manaus, Brazil, on Saturday, May 17. The street is decorated for the upcoming World Cup soccer tournament, which will be held in 12 Brazilian cities, including Manaus, starting next month.
The week in XX photos – A couple of same-sex couples -- Eliza Callard and Emily Gavin, left, and Christopher Whibley and Bill Good, right -- complete their paperwork for marriage licenses at Philadelphia City Hall on Wednesday, May 21. A day earlier, a federal judge struck down Pennsylvania's ban on same-sex marriage, declaring it unconstitutional.
The week in XX photos – A man wearing a pink wig poses for a photo during the annual gay pride parade in Brussels, Belgium, on Saturday, May 17.
The week in XX photos – Two dogs play with a ball Thursday, May 22, at a lake in Berlin.
The week in XX photos – As an act of self-torture, a Muslim man has an iron bar hammered into his cheek during a religious procession in Ahmadabad, India, on Saturday, May 17.
The week in XX photos – A man smokes as he waits with his painted buffalo Sunday, May 18, in China's Yunnan province. First prize in the buffalo-painting contest was worth 100,000 yuan (about $16,000).
The week in XX photos – Researcher Adrian Lister looks at Lyuba, a baby woolly mammoth considered to the most complete example of the species ever found, at the Natural History Museum in London on Monday, May 19. Lyuba, which means "love" in Russian, was found frozen in clay and mud in Siberia in 2007. She is estimated to have died about 42,000 years ago.
The week in XX photos – A pigeon bathes in a fountain Tuesday, May 20, at Koenigsplatz in Kassel, Germany.
The week in XX photos – A rainbow is seen over Interstate 74 on Friday, May 16, after a semi-trailer truck collided with a bridge support near Hillsboro, Indiana. The driver of the truck, 42-year-old Dale C. Johnstone Jr., was killed, state police said.
The week in XX photos – Beachgoers in Wassenaar, Netherlands, watch the detonation of a 500-pound British bomb on Monday, May 19. The World War II-era bomb was found earlier this month at a building site in nearby Leiden.
The week in XX photos – Freshmen from the U.S. Naval Academy make a human wall on Monday, May 19, to climb the Herndon Monument in Annapolis, Maryland. It's an annual tradition for the "plebes" to climb the monument, which is covered in lard, to retrieve the Plebian Sailor's hat on top and replace it with an officer's hat.
The week in XX photos – Relatives mourn near the body of Indian Army soldier Mushtaq Ahmad Mir during his funeral procession in Qazipura, India, on Tuesday, May 20. He was killed and three others were wounded when militants fired upon them.
The week in XX photos – A Palestinian protester runs from tear gas that was fired by Israeli troops Friday, May 16, during clashes near Israel's Ofer Prison in the West Bank.
The week in XX photos – Two laborers haul barrels on a wooden cart Tuesday, May 20, in Dhaka, Bangladesh.
The week in XX photos – World champion swimmer Christian Sprenger of Australia swims on the rooftop pool of the Marina Bay Sands hotel in Singapore on Tuesday, May 20. Sprenger was holding a swimming clinic for special-needs children as he promoted the Singapore Swim Stars festival in September.
The week in XX photos – A dead fin whale is seen next to a cliff in the Point Loma area of San Diego on Tuesday, May 20. The 50-foot whale washed up the day before. The cause of death is unknown.
The week in XX photos – A man dressed as an orangutan sits next to members of the press during media day at the Chelsea Flower Show in London on Monday, May 19.