A male chimpanzee, Chacha, screams after he was darted following an escape from nearby Yagiyama Zoological Park, in a residential area in Sendai, northern Japan, on April 14, 2016. The chimp was eventually caught after being shot with a tranquilizer gun and falling from the power lines, Kyodo news reported. #

The electrical machine builder Oleg Glebov works at the stator windings of a generator in the Erfurt Generator Plant of the German Siemens AG in Erfurt, Germany, on April 12, 2016. #

A U.S. Navy picture shows what appears to be a Russian Sukhoi SU-24 attack aircraft making a very low pass close to the U.S. guided missile destroyer USS Donald Cook in the Baltic Sea in this picture taken April 12, 2016, and released April 13, 2016. Two Russian warplanes with no visible weaponry flew near the destroyer in what one U.S. official described as one of the most aggressive interactions in recent memory. #

A boy with differently colored eyes waits in the doorway of his family's house during a house-to-house anti-polio vaccination campaign in Yemen's capital of Sanaa on April 12, 2016. #

Indian police and rescue officials gather in front of a disused Air India passenger plane which fell from a ground transporter while being moved near Begumpet Airport in Hyderabad on April 10, 2016. The Airbus A-320 was being shifted from the airport to Air Indias cadet training facility,a crane mounted on a 16-wheelbase transport carrier toppled under the weight of the plane, dropping the aircraft on a wall nearby. Police and airport officials confirmed no one was injured in the incident. #

Refugees and migrants clash with Macedonian soldiers during a protest calling for the reopening of the border near their makeshift camp in the northern Greek border village of Idomeni, on April 10, 2016. Dozens of people were hurt when police fired tear gas on a group of migrants as they tried to break through a fence on the Greece-Macedonia border. Toothpaste is smeared on the face to protect against tear gas. #

Members of an honor guard prepare for a welcome ceremony for Australian Prime Minister Malcolm Turnbull outside the Great Hall of the People in Beijing, China, on April 14, 2016. #

Iraqi Security forces and allied Popular Mobilization forces fire towards positions in the ISIS-held town of Besher, during a military operation to regain control of the small town, outside the oil-rich city of Kirkuk, Iraq, on April 10, 2016. #

A Kisin, a Mayan death god, 600-900 AD, is displayed at the exhibition ‘The Maya—Language of Beauty’ at the Martin-Gropius-Bau museum in Berlin on April 11, 2016. #

Adrian Shine, leader of the Loch Ness Project, travels on a boat towing Munin, an intelligent marine robot, at Loch Ness in Scotland on April 13, 2016. This week, Munin discovered the remains of a movie prop version of the Loch Ness Monster at the bottom of the loch. The prop had been built in 1969 for the movie The Private Life of Sherlock Holmes, and sank while being towed behind a boat. #

An Air Force Test Pilot School T-38C jet passes in front of the sun at supersonic speed, creating shockwaves that are caught photographically for research, in this photo provided by NASA on April 12, 2016. NASA is using a modern version of a 150-year-old German photography technique—schlieren imagery—to visualize supersonic flow phenomena with full-scale aircraft in flight. The results will help engineers to design a quiet supersonic transport, according to NASA. #

The Afghan puppeteer Mansoora Shirzad, right, records a segment with Sesame Street's new character, a 6-year-old Afghan girl called Zari, during a recording session for her first appearance on the local production of the show in Kabul, Afghanistan, on April 6, 2016. #

British landscape artist Anthony Garratt works on his giant painting below the peak of Snowdon, along the Miners track at Llyn Llydaw on April 13, 2016 in Llanberis, Wales. The giant double-sided canvas (2.4 by 3 meters) will be floated on the waters of Llyn Llydaw as part of an installation called ‘Uchel ac Isel,’ or ‘High and Low.’ #

The reusable main-stage booster from the SpaceX Falcon 9 rocket makes a successful landing on a platform in the Atlantic Ocean about 185 miles (300 kilometers) off the coast of Florida on April 8, 2016. #

A man plays to the cameras as racegoers make their way home at the end of Ladies Day the second day of the Aintree Grand National Festival meeting on April 8, 2016, in Aintree, England. #

French members of the R2 Builders Club, pose with their own replica R2 robot from the Star Wars universe on display at the Paris Comics Expo at the Parc Floral in Paris, France, on April 15, 2016. #

Picture of the so-called ‘Wall of Shame’ in the outskirts of Lima, Peru, on April 8, 2016. The place began to be populated 20 years ago, with migration of Andean people displaced by poverty and violence of the guerrillas from the countryside to the city. The 10-kilometer-long wall separates dusty huts without electricity or water from mansions with swimming pools and green areas. #

A hand-crocheted typewriter, part of an exhibition tracing the history of women in Italian design, is shown during the Design Fair in Milan, Italy, on April 11, 2016. #

An Iraqi soldier inspects a tunnel as he holds a position on the frontline on April 9, 2016, in the town of Kharbardan, during military operations to recapture the northern Nineveh province from ISIS jihadists. #

Suad Keserovic cleans a stone ball in Podubravlje village near Zavidovici, Bosnia, and Herzegovina, on April 11, 2016. Keserovic claimed that the stone sphere is 3.3 meters in diameter and the estimated weight of it is about 35 tons. Hundreds of tourists from around the world have visited this stone. #

The journalist Hassan Hanafi, convicted of murdering colleagues for the Al-Qaeda-linked Shebab jihadist group, is tied to a wooden post before being executed by firing squad at a police academy square in Mogadishu on April 11, 2016. Hassan Hanafi, was sentenced to death last month after military judges said he had confessed to his role in the killing of five journalists after being arrested in August of 2014 in Kenya and extradited to Somalia. #

Trees and high-water marks on previously-submerged land behind Guri dam in Bolivar state, Venezuela, on April 11, 2016. Drought has turned parts of the reservoir behind Venezuela's Guri dam, one of the world's biggest, into desert, but the government is optimistic that rain will come within weeks to drive the vast installation that provides the bulk of the nation's power. #

People swing from ropes after jumping off a bridge in Hortolandia, Brazil, on April 10, 2016. According to organizers, 149 people were attempting set a new world record for ‘rope jumping.’ #

A press officer poses with Pepper the humanoid robot at the ‘World of Me: Store of the Near Future’ installation in London, on April 13, 2016. The robot is the first humanoid robot capable of recognizing principal human emotions and adapting his behavior accordingly. #

A novice nun prays before receiving food from people during the Songkran festival at the Sathira-Dhammasathan Buddhist meditation center in Bangkok, Thailand, on April 13, 2016. #

A Western Wall employee removes messages and prayers, written on pieces of paper by thousands of people “addressed to God,” from the cracks of the Jewish holy site in Jerusalem's Old City on April 12, 2016, in preparation for the upcoming Jewish Passover holiday. All the notes will be buried in a special place at a cemetery. #

Tourists view Buddhist sculptures at Longmen Grottoes on April 10, 2016, in the outskirts of Luoyang of Henan Province, China. Longmen Grottoes comprises more than 2,300 caves and niches carved into the steep limestone cliffs over a 1-kilometer-long stretch, containing the largest collection of Chinese art of the late Northern Wei and Tang Dynasties (316-907). #

Fields of canola extend to the horizon as Bob Calvey looks under the hood of a 1949 Pontiac which sits in his salvage yard in Oak Grove, Kentucky, on April 12, 2016, #