25 Of The Most Powerful Photos Of The Week

Five-year-old George Lewys poses with two forest giant owl butterflies (Caligo eurilochus) on orange slices at London's Natural History Museum on March 30. The museum's butterfly house exhibition, which features an array of butterflies and chrysalises, is open to the public through September.

Orthotist Derrick Campana kneels beside Angel Marie, a pony using prostheses he made with the help of Plastics Make it Possible at Animal Ortho Care in Sterling, Virginia, on March 27.

An ear growing on the arm of a patient who lost their right ear in an accident is prepared for a surgical transplant to their head at the First Affiliated Hospital of Xian Jiaotong University in Xi'an, China, on March 29.

Malaysian tiger cubs play with resident nursery dog Blakely at the Cincinnati Zoo on March 29. Three cubs were born in the zoo's captive breeding program on Feb. 3 to 3-year-old Cinta, but the first-time mother rejected her offspring, prompting zookeepers to intervene.

A farmer from the southern state of Tamil Nadu bites a rat during a protest demanding a drought-relief package from the federal government, in New Delhi, India, on March 27.

Chinese Premier Li Keqiang receives a "hongi" — a traditional New Zealand Maori welcome — from Piri Sciascia during an official welcoming ceremony at Government House in Wellington, New Zealand, on March 27.

Canadian Prime Minister Justin Trudeau high-fives a robotic arm during a robotics demonstration at Kinova Robotics in Boisbriand, Quebec, on March 24.

Brides-to-be participate in the "Running of the Brides" race in a park in Bangkok on March 25.

The newest members of the New York City Police Department attend their police academy graduation ceremony at Madison Square Garden on March 30. Over 600 new officers were sworn in during the ceremony.

Police detain a protester in downtown Moscow on March 26. Thousands of people crowded into Moscow's Pushkin Square for an unsanctioned protest against the Russian government, the biggest gathering in a wave of nationwide protests that were the most extensive show of defiance in years.

Russian President Vladimir Putin inspects an ice cave on Alexandra Land, an island of the Franz Josef Land Archipelago in the Russian Arctic, on March 29.

A protester carries an anti-Trump sign before the start of a town hall meeting where Thomas Homan, acting director of enforcement for ICE, spoke to a hostile crowd in Sacramento on March 28.

Trump supporters yell at a protester during a "Make America Great Again" march and rally in in Huntington Beach, California, on March 25.

Donald Trump and his daughter Ivanka Trump meet with women small business owners, including Jessica Johnson (center), at the White House on March 27.

House Intelligence Committee Chair Devin Nunes is pursued by reporters as he arrives for a weekly meeting of the Republican Conference with House Speaker Paul Ryan and the GOP leadership on March 28 on Capitol Hill. Nunes is facing growing calls to recuse himself from an investigation into the Trump administration’s ties to Russia as revelations about a secret source meeting on White House grounds raised questions about his and the panel's independence.

An Iraqi counterterrorism forces member stands guard in the Mosul al-Jadida area on March 26, following air strikes in which civilians were reportedly killed during an ongoing offensive against ISIS.

Residents load body bags into a pickup truck in the Mosul al-Jadida neighborhood of Mosul, Iraq, on March 24, after reported coalition air strikes.

People view the body of an alleged drug trafficker killed during a shootout with police in the Pavuna neighborhood of Rio de Janeiro on March 30. Military police say they are investigating a video that appears to show two officers executing two injured suspects lying on the ground. During that confrontation, police say a 13-year-old girl at a nearby school was killed from a stray bullet.

The body of Rayees Ahmad, a suspected rebel commander, is draped with a Pakistani flag during his funeral at Bellow, south of Srinagar, India, on March 27. Police said Indian forces killed two suspected rebels in a shootout on Sunday in Indian-controlled Kashmir.

A man waves traditional daggers, or jambiyas, as he attends with supporters of the Houthi movement and Yemen's former president Ali Abdullah Saleh a rally to mark two years of the military intervention by the Saudi-led coalition, in Sanaa, Yemen, on March 26.

Riders herd horses during sunset in the foothills of Mount Erciyesin in Kayseri, Turkey, on March 28.

Women wearing traditional attire from India's western Maharashtra state ride motorcycles in a procession to celebrate Gudi Padwa, or the Marathi New Year, in Mumbai on March 28.

Representatives of the Pearly Kings and Pearly Queens charitable organization read notes on flowers laid in Parliament Square in London on March 28 in response to Khalid Masood's deadly attack.

Models with floral arrangements greet travelers at Central Station in Utrecht, Netherlands, on March 29. About 20,000 spring flowers were used to promote Keukenhof, the largest flower show in the world.

A child peers through a cutout in a European Union flag during a rally marking the 60th anniversary of the Treaty of Rome in downtown Bucharest on March 25.