Druids, led by Arthur Pendragon, leave Stonehenge near Amesbury, England, after taking part in the winter solstice on Dec. 22. Built between 4,000 and 5,000 years ago, Stonehenge is one of the world's most recognizable sites. Chris Ison/PA Wire/AP
Yemeni boys, one holding a hawk and another a hunting rifle, wait to perform to make money on the outskirts of Sanaa, Yemen. More than 50 percent of Yemen's children are malnourished, rivaling war zones like Sudan's Darfur and parts of sub-Saharan Africa. Nearly half the population lives below the poverty line of $2 a day and doesn't have access to proper sanitation. Muhammed Muheisen/AP
A firefighter throws a bucket of water on a burning truck in San Martin Texmelucan, Mexico, on Dec. 19. A pipeline operated by Mexico's state-owned oil company Petroleos Mexicanos, or PEMEX, exploded when thieves were attempting to steal either gas or oil, killing at least 27 people, authorities said. Marco Ugarte/AP
A shopper leaves the L.L. Bean retail store, on Wednesday, in Freeport, Maine. Robert F. Bukaty/AP
President Obama signs the Don't Ask, Don't Tell Repeal Act of 2010, on Wednesday, at the Interior Department in Washington. Pablo Martinez Monsivais/AP
Actors playing Joseph and Mary reenact the Nativity on Wednesday in the Israeli Arab town of Nazareth, Jesus's traditional hometown, ahead of Christmas this week. Dan Balilty/AP
Spc. Randy J. Lockwood of Muskegon, Mich., of 2nd Platoon Bravo Company 2-327 Infantry stands guard as Afghan men greet each other in Chowkay district near Pakistani border in Kunar Province, eastern Afghanistan, on Wedesday. Rafiq Maqbool/AP
One-year-old Jamiya Phoenix takes a nap in the stands during a high school basketball game on Dec. 21, in Diboll, Texas. Jamiya was at the Diboll Lumberjacks vs. Hudson Hornets varsity girls game with her mother, Jasmine Phoenix. Joel Andrews/The Lufkin Daily News/AP
South Korean marines stand guard as they wait for their fellow soldiers to return to their base after patrol on Yeonpyeong island, South Korea. A US governor visiting North Korea called for it to show maximum restraint to planned South Korean military drills and hoped the UN Security Council would deliver the same message strongly as well, his office said. Ahn Young-joon/AP
Monkeys enjoy early morning sun after a cold night outside the Taj Mahal in Agra, India, on Wednesday. Saurabh Das/AP
A customer with a shopping bag walks out from a luxury shop in Shanghai, China, on Wednesday. Many shops offer Christmas and year-end sales to attract the consumers. Eugene Hoshiko/AP
An Indian village woman arranges cow dung cakes to be dried in Allahabad, India, on Wednesday. Cow dung cakes are a major source of domestic fuel for rural households and an environmentally friendly alternative to firewood. Rajesh Kumar Singh/AP
The World Health Organization officials say it could be six to nine months before medical science proves - or disproves - any connection between Zika and rise in birth defects in Brazil.
ByJamey Keaten and Maria Cheng, Associated Press
The World Health Organization (WHO) declared an international emergency on Monday in response to the spread of the mosquito-borne Zika virus, which may be linked to birth defects in the Americas, saying it is an "extraordinary event."