Central American immigrants, part of a caravan traveling through Juchitan, Mexico, are pictured atop a train known as The Beast while continuing their journey toward the United States on April 26, 2019. #

An old locomotive rusts inside the abandoned Riyaq train station in Lebanon's Bekaa Valley on May 1, 2019. Rail transport in Lebanon began in the 1890s as French projects under the Ottoman empire, but largely ceased in the 1970s owing to the country's civil war. The last remaining routes ended for economic reasons in the 1990s. At its peak, Lebanon had about 408 kilometers of railway. #

A view of the old railroad bridge over the Sava river in Belgrade, Serbia, photographed on April 29, 2019. A complete removal of the railway bridge and the closing of the main railway station was done for the Belgrade Waterfront project, designed to completely rebuild a run-down area at the heart of the Balkan city of 2 million people. #

Self-propelled Msta-S artillery vehicles are transported by trucks after a rehearsal for the Victory Day military parade, which will take place at Dvortsovaya ("palace") Square on May 9 to celebrate 74 years since the victory in World War II, in St. Petersburg, Russia, on April 30, 2019. #

Women dressed as witches dance in front of a fire during Walpurgis Night in Erfurt, Germany, on April 30, 2019. Costumed devils and witches meet to celebrate Walpurgis Night, a traditional religious holiday of pre-Christian origins. The event is named after Saint Walburga, an English nun who helped convert the Germans to Christianity in the eighth century. #

An anti-government protester walks near a bus that was set on fire by opponents of Venezuela's President Nicolás Maduro during clashes between rebel and loyalist soldiers in Caracas on April 30, 2019. The Venezuelan opposition leader Juan Guaidó took to the streets with a small contingent of heavily armed troops on Tuesday in a risky call for the military to rise up and oust Maduro. #

Fireworks launched by opponents of Venezuela's President Nicolás Maduro land near Bolivarian National Guard of Venezuela armored vehicles loyal to Maduro, during an attempted military uprising in Caracas on April 30, 2019. #

Journalists help a reporter, Gregory Jaimes, holding a VPITV microphone, who was injured while covering clashes between security forces and anti-government protesters in the Altamira neighborhood of Caracas, Venezuela, on May 1, 2019. #

In San Juan, Puerto Rico, demonstrators holding wooden shields are confronted by police during a protest against the Federal Fiscal Control Board, as part of May Day observations, on May 1, 2019. The U.S. Congress established the appointed Fiscal Control Board to oversee the debt restructuring in order to combat the Puerto Rican government-debt crisis. #

Civilians along with forest and police personnel try to chase away a wild male elephant on the GS road in Guwahati, India, on April 30, 2019. The elephant caused a major stir in the city, wandering along busy streets and among crowds of photo-snapping onlookers before being tranquilized, officials said. #

A woman looks at Louise Bourgeois's Spider during a Christie's New York press preview on May 3, 2019, as part of Christie's Post-War and Contemporary Art Evening Sale in New York. #

Fire and police crew members work to clear the scene where a construction crane fell from a building on Google's new Seattle campus, crashing down onto one of the city's busiest streets and killing multiple people on April 27, 2019. #

Construction workers are seen inside the terminal hall of the Beijing Daxing International Airport under construction, in Daxing district, Beijing, China, on April 25, 2019. #

A hat is seen in detail as a model presents a creation during the Cruise 2020 collection show for the French fashion house Dior in Marrakesh, Morocco, on April 29, 2019. #

A woman models a pair of body-shaping thigh holster shorts by Dene Adams during the Fashion and Firearms concealed-carry fashion show at the National Rifle Association's annual meeting in Indianapolis, Indiana, on April 27, 2019. #

Christy Wilkenson wipes a tear from her eye after putting flowers on a memorial at the Chabad of Poway synagogue on April 28, 2019, in Poway, California. A man opened fire Saturday inside the synagogue, near San Diego, as worshippers celebrated the last day of a major Jewish holiday. #

Israelis stand next to their cars as sirens mark a nationwide moment of silence in remembrance of the 6 million Jewish victims of the Holocaust, in Tel Aviv, on May 2, 2019. #

A little boy stands in front of a giant teddy bear measuring more than 20 meters long and weighing four tons, which entered the Guinness Book of World Records as the biggest of its kind, on April 28, 2019, in Xonacatlan, Mexico. #

A baby sea lion sits in the back of a patrol car after being rescued along Highway 101 in South San Francisco, California, on April 30, 2019. The pup wandered onto a busy highway in South San Francisco Tuesday, stopping vehicles and alarming motorists before California Highway Patrol officials whisked it away. #

A man takes part in the annual rendering of the Great Mosque of Djenne in central Mali on April 28, 2019. Several thousand residents of the historic central Malian city of Djenne took part in the annual rendering ceremony of the Grand Mosque, which will now be powered by solar electricity. The rendering of the building with banco (a mixture of soil and water, with rice bran, shea butter, and baobab powder), made by the city's inhabitants, helps to protect the mosque from bad weather ahead of the rainy season. #