A keeper holds a 12-week-old Sumatran tiger cub during a routine health check in its enclosure at Chester Zoo in Chester, England, on March 27. The cub, one of three born at the zoo, was sexed, vaccinated, and microchipped.

Phil Noble / Reuters

A snowboarder performs during the Red Bull Jump and Freeze competition at ski resort Shimbulak outside Almaty, Kazakhstan, on March 22. Participants wearing festive costumes perform tricks before getting into a pond with icy water.

Shamil Zhumatov / Reuters

Fires rages through the Los Alerces National Park in the Patagonian province of Chubut,, some 1,900 kilometers southwest of Buenos Aires, Argentina, on March 24.

Emiliano Lasalvia / AFP / Getty Images

Scientist Bill Nye takes a selfie with a student before President Barack Obama arrived to deliver remarks after viewing science projects at the White House Science Fairon march 23 in Washington, D.C. During his remarks, President Obama announced more than $240 million in pledges to boost the study of STEM fields.

Drew Angerer / Getty Images

A man works on a dinosaur sculpture in Wustermark, eastern Germany, on March 23. Forty dinosaur sculptures will be on display from March 31 at the exhibition at the Doeberitzer Heide.

Ralf Hirschberger / AFP / Getty Images

Mexican model Daniela Dominique gets her makeup done for a Shantall Lacayo fashion show, at the former convent of Regina, in Mexico City, Wednesday, March 25. Nicaraguan designer Lacayo, who debuted on the international stage in the 2010 edition of Project Runway Latin America, presented her 2015 fall-winter collection, called "Dimensiones."

Rebecca Blackwell / AP

Pandelela Rinong of Malaysia dives during the semifinal of the Women's 10-Meter Platform on day two of the 2015 FINA/NVA Diving World Series at the Hamdan Sports Complex in Dubai on March 21.

Warren Little / Getty Images

People play at China's largest trampoline theme park on March 23 in Shanghai, China.

Chinafotopress / Getty Images

Phil Davis and Shane Mumford of the Giants and Sam Naismith of the Swans contest a mark during the NAB Challenge AFL match between the Greater Western Sydney Giants and the Sydney Swans at Star Track Oval on March 22 in Canberra, Australia.

Mark Nolan / Getty Images

WWF Pandas are seen in London on March 26 to celebrate the organization's Earth Hour event, which will be held between 8:30 p.m. and 9:30 p.m. local time on March 28.

Miles Willis / Getty Images for WWF / Earth Hour

Protesters holding placards shout slogans at a rally against Japan's Prime Minister Shinzo Abe's administration in the central Tokyo on March 22. More than 10,000 people joined the protest, according to the organizer. Placards read in Japanese "No to the Abe administration."

Yuya Shino / Reuters

Spectators watch as a model displays a creation by Russian designer Slava Zaitsev during Fashion Week, in Moscow, Russia, Friday, March 27.

Pavel Golovkin / AP

Top view of a crocodile in the Gatun Lake, next to the Panama Canal, on March 23.

Rodrigo Arangua / AFP / Getty Images

U.S. President Barack Obama shakes hands with a group of 6-year-old Girls Scouts from Tulsa, Oklahoma, who designed a battery-powered page turner to help people who are paralyzed or have arthritis, at the 2015 White House Science Fair March 23 in Washington, D.C. The students are winners of STEM competitions from across the country.

Pool / Getty Images

People pay tribute at Tanjong Pagar Community Club following the passing of former Prime Minister Lee Kuan Yew on March 23 in Singapore.

Suhaimi Abdullah / Getty Images

A man takes a "selfie" on an aerial lift as tens of thousands of people take part in a gathering celebrating Newroz, which marks the arrival of spring and the new year, in Diyarbakir on March 21.

Umit Bektas / Reuters

A Palestinian protester from the Jalazon refugee camp takes cover during clashes with Israeli security forces near the West Bank Jewish settlement of Beit El, north of Ramallah, on March 27, following a rally by the residents of the camp against Israeli settlements.

Abbas Momani / AFP / Getty Images

A Kurdish Syrian woman walks with her child past the ruins of the town of Kobane, also known as Ain al-Arab, on March 25. ISIS fighters were driven out of Kobane on Jan. 26 by Kurdish and allied forces.

Yasin Akgul / AFP / Getty Images

A building burns after an explosion on 2nd Avenue on March 26 in New York City. The seven-alarm fire drew firefighters from across the city. A number of injuries have been reported.

Andrew Burton / Getty Images

French gendarmes and investigators work among the debris of the Airbus A320 at the site of Germanwings Flight 9525 crash, near Seyne-les-Alpes, French Alps, on March 26. A young German co-pilot locked himself alone in the cockpit of the plane and set it on course to crash into an Alpine mountain, killing all 150 people on board including himself.

Emmanuel Foudrot / Reuters

This picture taken on March 21 shows a parrot combing another bird's feathers in the Kunming Zoo in Kunming, Yunnan province, China.

Str / AFP / Getty Images

Afghan revellers gather in front of the Hazrat-e-Ali shrine in Mazari-i-Sharif, Afghanistan, on March 21 for Nowruz festivities. Nowruz, one of the biggest festivals of the nation, marks the first day of spring and the beginning of the year in the Persian calendar.

Farshad Usyan / AFP / Getty Images

A wildlife department official holds a Malayan sun bear for the media in Kuala Lumpur, March 24. It was among other animals, including juvenile eagles and a slow loris, estimated to be worth $20,000 and seized by the wildlife department during an operation against illegal wildlife traders earlier this month.

Olivia Harris / Reuters

An aerial view of a public cemetery ahead of the Qingming Festival, or Tomb Sweeping Day in Hangzhou, Zhejiang province, March 26. The festival, which falls on April 5 this year, is a day for the Chinese to remember and honor their ancestors.

Stringer China / Reuters

A woman displays a 100.20-carat diamond ring at a pre-auction viewing at Sotheby's in Los Angeles on March 25. Sotheby's says the ring is expected to sell for $19–25 million.

Lucy Nicholson / Reuters

A seagull flies above the beach as visitors make their way across the wet sand during a record low tide in Saint Malo, western France, March 21. Towns on France's North Atlantic coast braced for their first giant tide of the millennium on Saturday as the full moon and this week's solar eclipse combined to create an ocean surge not seen since 1997.

Stephane Mahe / Reuters

Elena Radionova of Russia competes in the ladies short program during the ISU World Figure Skating Championship in Shanghai on March 26.

Carlos Barria / Reuters

African lioness named Rani, or Queen, sits with her newly born five cubs at the house of her owner who has grown her as a pet on March 26 in Multan, Pakistan.

Asim Tanveer / AP