"Chomper," a semiautonomous, GPS-guided snowblower designed and built by the MIT research engineer Dane Kouttron, clears snow following an overnight storm in Cambridge, Massachusetts, on February 28, 2019. #

A dinosaur head is visible in a flooded miniature golf course in Guerneville, California, on February 28, 2019. The Russian River crested over flood stage and is now receding after floodwaters inundated the town. #

Etcetera Etcetera prepares backstage at a drag queen catwalk contest on March 1, 2019, in Sydney, Australia. The catwalk contest is raising money for charity ahead of the Sydney Mardi Gras parade. #

One of the 19 nominees for queen of the Carnival of Santa Cruz shows off her outfit on the main stage during Carnival celebrations in Santa Cruz de Tenerife, on the Spanish Canary Island of Tenerife, on February 27, 2019. #

A worker climbs out after a tunnel-boring machine broke through the eastbound tunnel of the Gujarat Metro Rail Corporation Limited in Ahmedabad, India, on February 25, 2019. #

A rat reacts while being stuck in a manhole cover in Bensheim-Auerbach, Germany, on February 24, 2019. The rat was later rescued by eight members of the Auerbach Volunteer Fire Department, and released. #

A woman in the United States takes a picture of Mexico through the border fence as residents of Anapra, a neighborhood on the outskirts of Ciudad Juarez, in Mexico, and other people attend a prayer with priests and bishops from both countries for the migrants and people of the area, on February 26, 2019. #

A volunteer lifeguard participates in a mock rescue during the 54th annual "Paso del Hombre" aquatic-endurance challenge organized by the Salvadorean Red Cross, in La Libertad, El Salvador, on February 24, 2019. #

A man stands next to the art piece Ninot 2019, which depicts Spain's King Felipe, by artists Santiago Sierra and Eugenio Merino, during the International Contemporary Art fair in Madrid, Spain, on February 28, 2019. #

Michael Cohen, President Donald Trump's former personal attorney, is sworn in to testify before the House Oversight Committee in the Rayburn House Office Building on Capitol Hill in Washington, D.C., on February 27, 2019. #

From left: Representative Alexandria Ocasio-Cortez (D-NY), Representative Ayanna Pressley (D-MA), and Representative Rashida Tlaib (D-MI) listen as Michael Cohen, the former attorney and fixer for President Donald Trump, testifies before the House Oversight Committee on Capitol Hill on February 27, 2019. #

A fire spinner entertains the crowds before the rival armies of the Vikings and Anglo-Saxons meet in the battle finale near Clifford’s Tower during the Jorvik Viking Festival on February 23, 2019, in York, England. #

Venezuelan security forces clash with supporters of the Venezuelan opposition leader Juan Guaido on the Venezuelan head of the Francisco de Paula Santander International Bridge, as seen from Cucuta, Colombia, on February 25, 2019. #

People look at a damaged train inside Ramses Railway Station in Cairo, Egypt, on February 27, 2019. An Egyptian medical official said at least 20 people had been killed and dozens injured after a railcar rammed into a barrier inside the station, causing an explosion of the fuel tank and triggering a huge blaze that engulfed that part of the station. #

A vehicle is set ablaze at a Venezuelan police station on the border with Pacaraima, Roraima State, Brazil, where clashes with security forces erupted amid efforts to take aid into the crisis-hit country, on February 23, 2019. #

A visitor poses for a picture in the "Rotated Room" at the Museum of Illusions in Pristina, Kosovo, on February 26, 2019. The museum contains a series of optical illusions, giving visitors the chance to produce unusual 3-D images of themselves. #

Spike Lee, winner of the Best Adapted Screenplay award for BlacKkKlansman, attends the 91st annual Academy Awards Governors Ball at the Hollywood & Highland Center in Hollywood, California, on February 24, 2019. #

Television screens show a news broadcast of the summit between North Korea's leader, Kim Jong Un, and President Donald Trump during their second meeting in Hanoi, at an electronics mall in Seoul on February 28, 2019. #

Mounds of ice collect along the Lake Erie shore at Hoover Beach, in Hamburg, New York, on February 25, 2019. High winds howled through much of the nation's eastern half for a second day Monday, cutting power to hundreds of thousands of homes and businesses, closing schools, and pushing dramatic mountains of ice onto the shores of Lake Erie. #