Tourists take a "selfie" as demonstrators burn a trash container during a May Day rally in Barcelona, Spain, on May 1, 2014. Tens of thousands of workers marked May Day in European cities with a mix of anger and gloom over austerity measures imposed by leaders trying to contain the eurozone's intractable debt crisis. #

An aerial photo shows a home damaged by a tornado near Fayetteville, Tennessee, on Wednesday, April 30, 2014. Governor Bill Haslam visited the area near the Alabama line that suffered heavy damage and two fatalities during Monday's storms. #

The moon rises in the sky above the domes of the Smolny Cathedral in St. Petersburg, Russia, on April 25, 2014. One of St. Petersburg landmarks, the Smolny convent's main church was built between 1748 and 1764 by Italian architect Francesco Bartolomeo Rastrelli. #

Michael Phelps warms up prior to a 50-meter freestyle preliminary heat at the Arena Grand Prix swim event in Mesa, Arizona, on April 25, 2014. It was Phelps' second competitive event after a nearly two-year retirement. #

An employee of Johammer e-mobility company rides a J1.200 electro motorcycle near the headquarters in Bad Leonfelden, Austria, on April 23, 2014. The Johammer J1.200 weighs 178kg, including a 12.7 kWh battery pack, with a 200 km (124 miles) driving range on one charge, and a top speed of 130 kph (80mph). The J1.200 costs 25,000 Euros (34,000 USD). #

A visitor stands in front of QR-codes information panels during a ceremony to open an information showroom dedicated to the Zaryadye park project in central Moscow on April 29, 2014. The showroom, shaped as a dome which houses exhibition halls covered with QR-codes information panels and displaying digital illustration of the project, was opened by Moscow's Mayor Sergei Sobyanin on Tuesday on the site of the future park in a few minutes walk distance from Red Square and the Kremlin. #

Paris' Grevin Wax Museum painter Franck Bruneau prepares the head of Rolling Stones lead singer Mick Jagger's statue in their workshop before it is shipped to Prague for the opening of the museum on April 11, 2014. #

Mother armadillo Zowie welcomes her newborn Southern three-banded armadillo baby at Busch Gardens Tampa, Florida, on April 27, 2014. The baby was able to walk and roll into a ball within moments of its birth. Southern three-banded armadillos are the only species of armadillo that can fully roll up into a ball. The baby armadillo currently weighs 118 grams, about the weight of an average cell phone. #

Workers show the media the first recovered "E.T. the Extra-Terrestrial" cartridge at the old Alamogordo landfill in Alamogordo, New Mexico, April 26, 2014. Documentary filmmakers digging in a New Mexico landfill on Saturday unearthed hundreds of Atari "E.T. the Extra-Terrestrial" game cartridges, considered by some the worst video game ever made, and blamed for contributing to the downfall of the video game industry in the 1980s. #

Country music fan Cody Buijnink gives his girlfriend Kristen Dillon a kiss under the ferris wheel on the first day of the Stagecoach country music festival in Indio, California, on April 25, 2014. #

Bosnian pensioner Momir Bojic cleans his wooden Volkswagen Beetle car in front of his home in Celinac near Banja Luka, on April 2, 2014. Bojic, 71, an avid Volkswagen fan, created the car from over 50,000 separate pieces of oak and took two years to complete it. #

A portrait of a victim of the sunken passenger ship Sewol, a student from Danwon High School, is displayed on a screen as mourners pay tribute at the official memorial altar for the victims in Ansan, South Korea, on April 29, 2014. More than 300 people, most of them students and teachers from the Danwon High School, are dead or missing presumed dead after the April 16 disaster. The ferry sank on a routine trip from the port of Incheon, near Seoul, to the southern holiday island of Jeju. #

Women pick tea leaves at the Moriuchi Tea Farm on May 1, 2014 in Shizuoka, Japan. Japan produces aproximately 100,000 tons of green tea per year. From late April to early May, tea farmers handpick Shincha (the first tea of the year) which is usually considered the highest of quality and most sought after. #

A decorated bomb shelter sits in a school yard in the Israeli town of Sderot on April 8, 2014. More than 8,600 rockets fired from Gaza have landed in and around the Israeli city of Sderot since 2001, according to the local media center. With a population of around 25,000, the city lies just over a kilometer away from Gaza and is not fully protected by the Israeli Iron Dome defense system set up to intercept incoming missiles. When they hear a "code red" alarm warning of an approaching rocket, Sderot's residents have 15 seconds to seek shelter. In an effort to brighten the landscape and ease the psychological stress, especially among children, many bomb shelters and concrete reinforcements are decorated with bright primary colors, graffiti, and idyllic landscapes at odds with the monolithic architecture of the town and the imminent threat of attack. #

A "recortador" jumps over a bull during a bullfight in Madrid, Spain, on May 2, 2014. Recortadores is a bloodless type of bullfighting where performance consists of dodging and acrobatically leaping over a bull, and the ones who dare to get closer to the bull and show less fear are the winners. #

1 of 3 An explosion erupts during a car bomb attack at a Shi'ite political organization's rally in Baghdad, Iraq, on April 25, 2014. A series of explosions killed 18 people at a Shi'ite political organization's rally in Iraq on Friday, police and medical sources said. #

A view shows the Planalto Palace designed by architect Oscar Niemeyer in Brasilia April 2, 2014. The futuristic capital city built from scratch on savannah ranch land in the middle of nowhere was meant to open up the interior of Brazil and symbolize its rise as an economic power. Fifty-five years later, Brasilia's modern buildings designed by famed architect Oscar Niemeyer and laid out by urban planner Lucio Costa are still imposing, an open-air museum on UNESCO's World Heritage list. Brasilia will host seven games during the 2014 World Cup soccer tournament. #

A Ukrainian soldier stands guard in front of armored personnel carriers at a checkpoint near the village of Malinivka, south-east of Slaviansk, in eastern Ukraine on April 27, 2014. #

Police and local residents work to lift a piece of what local media is calling a piece of an Ariane space rocket belonging to the European Space Agency, after it was discovered by a fisherman in the Urindeua river near Salinopolis, northeast Brazil, on April 28, 2014. #

Discarded phone boxes belonging to German telecommunications giant Deutsche Telekom in Michendorf near Berlin, Germany, on May 1, 2014. Around 3,000 boxes - the classical ones in yellow, the more recent ones in magenta - are stocked at the depot and are sold for a price between 300 and 400 euros each. #

Injured children cry after, according to activists, two barrel bombs were dropped by forces loyal to Syria's president Bashar Al-Assad in Hullok neighborhood of Aleppo, Syria, on May 1, 2014. At least 33 people were killed when Syrian government warplanes attacked a busy market in a rebel-controlled district of Aleppo on Thursday, the Syrian Observatory for Human Rights said. #

A smokestack, formerly the highest in the province, collapses as it is demolished by explosives in Shenyang, Liaoning province, China, on April 28, 2014. The 150-meter-high chimney used to be part of a heating factory, according to local media. #

African migrants walk along a border fence covered in razor wire, as Spanish Civil Guard vehicles are positioned in front of them, during their latest attempt to cross into Spanish territory between Morocco and Spain's north African enclave of Melilla on May 1, 2014. Around 400 people stormed the border and at least 150 of them reached European territory, according local authorities. #

Protesters shield themselves as riot police use water cannons to disperse them during a May Day demonstration in Istanbul, turkey, on May 1, 2014. Turkish police fired water cannons and tear gas to prevent hundreds of protesters from defying a ban on May Day rallies and reaching Istanbul's central Taksim Square, the focal point of weeks of protests last summer. #

Firefighters pull a pig as they try to rescue it from a well at a pig farm in Huanghua township of Leqing, Zhejiang province, China, on April 25, 2014. Seven local firefighters successfully rescued the 300 kg (661 lb) pig, local media reported. #

A pair of fighters from Denmark (right) and the U.S. compete during a Medieval Combat World Championship tournament in Belmonte, Spain, on May 1, 2014. The Championship recreates the medieval culture and it takes place from May 1 till May 4 in the Castle of Belmonte. #