Friday: The day in photos

A visitor checks out a video installation titled “Shuffle” by U.S. artist Sanford Biggers during a press preview of “Carnival Within - An Exhibition Made in America” at Berlin’s Uferhallen space. The exhibition, which runs to May 3, shows sculptures, installations, paintings, photographs and videos by 18 American or U.S. resident artists.  (John MacDougall / AFP/Getty Images)

Balinese teenagers gathered at a main road in Denpasar during the Kissing Festival, locally called Omed-omedan. The annual festival, held one day after Balinese Hindus celebrate Nyepi Day, the Balinese day of silence, allows opposite-sex teenagers to kiss each other in public.  (Made Nagi / EPA)

A Cambodian Buddhist monk touches human skulls in a stupa about 28 miles north of Phnom Penh. Testimony begins Monday at Cambodia’s U.N.-backed genocide tribunal 30 years after the ouster of the Khmer Rouge, and millions of Cambodians, including survivors and relatives of victims, are expected to watch on TV.  (Heng Sinith / Associated Press)

Airplanes fly over the Albert Park Circuit after the second practice session in Melbourne, Australia. The Australian Grand Prix, a Formula One race, is Sunday.  (Jens Buettner / EPA)

Pakistani tribesmen search for survivors after a blast destroyed a mosque near Jamrud, in the Khyber region near the Afghan border. The apparent suicide bombing came on the holiest day of the Muslim week, as the mosque was packed with worshipers.  (Mohammad Sajjad / Associated Press)

Thousands staged nationwide anti-government rallies across Kyrgystan, such as this one in Bishkek, to push for free and fair elections, with many calling for the president, Kurmanbek Bakiev, to step down. Political tensions are on the rise in this impoverished Central Asian nation ahead of an early presidential election in July.  (Nina Gorshkova / Associated Press)

Cybermen confront two traffic wardens at the opening of the eagerly awaited “Doctor Who Exhibition,” at the Kelvingrove Art Gallery in Glasgow, Scotland. Visitors will be able to get close to some of the costumes and creatures that have appeared in the long-running show.  (Jeff J Mitchell / Getty Images)

A child diagnosed with hand, foot and mouth disease inhales atomized medicine in a clinic specialized for the disease in Wuhan, in central China’s Hubei province. Chinese health authorities said today that the disease has sickened about 41,000 people and killed 18 children across the country so far this year. More than 90% of the patients are younger than 5.  (Zhou Chao / EPA)

Impoverished Filipino children line up for a cup of soup during a feeding program by a child advocacy group at a parish in Manila. Many Filipino children have been hurt by the economic crisis in the country, with 28% of children under the age of 5 severely malnourished and an additional 26.7% of those ages 6 to 10 underweight and suffering from poor health and nutrition.  (Jes Aznar / AFP / Getty Images)