A Palestinian youth jumps through a ring of fire during a graduation ceremony for a training camp run by the Hamas movement, Jan. 29, 2015 in Khan Yunis, Gaza Strip.
Said Khatib/AFP/Getty Images
Indian students of Saint Francis Girls High School form the word "peace" as they participate in a 'Non-violence and Peace' rally in Secunderabad, India, Jan.30, 2015, the 67th anniversary of Gandhi's assassination.
Noah Seelam/AFP/Getty Images
Mary Jose Cristerna, a Mexican known as The Vampire Woman, poses for the public during the annual Venezuela Tattoo International Expo, Jan. 29, 2015, in Caracas, Venezuela. Tattoo artists from around the world are gathering for the four-day event that also includes under the skin implants and body piercing.
Ariana Cubillos/AP Photo
Serena Williams of the U.S. screams after winning a point against compatriot Madison Keys during their women's singles semi-final match at the Australian Open 2015 tennis tournament in Melbourne, Australia, Jan. 29, 2015.
A Mali supporter, painted in the colors of the country's national flag, cheers as the team arrives to warm up before their 2015 African Cup of Nations Group D soccer match against Guinea in Mongomo, Jan. 28, 2015.
A woman rides her electric bicycle along a street amid snowfall in Lianyungang, China.
Novak Djokovic of Serbia lunges to hit a return against Milos Raonic of Canada during their men's singles quarter-final match at the Australian Open 2015 tennis tournament in Melbourne, Jan. 28, 2015.
A little boy plays with a flag during the protest by congress activists, Jan. 28, 2015 in Noida, India.
Burhaan Kinu/Hindustan Times/Getty Images
Pope Francis is greeted by Argentinian officers of the United Nations Peacekeeping Force in Cyprus as he arrives for his weekly general audience at the Vatican, Jan. 28, 2015
Andrew Medichini/AP Photo
Mother of Jordanian pilot held captive by Islamic State, Muath al-Kasaesbeh, holds his picture while sitting in a car as she takes part in a demonstration demanding that the government negotiate with Islamic state for the release of her son in Amman, Jordan, Jan. 27, 2015.
Muhammad Hamed /Reuters
Lemurs eat at Qingdao Forest Wildlife World in Qingdao, Shandong, Jan. 27, 2015
Lee Westwood of England takes a ball out of a golf hole on the putting green during a practice round prior to the Omega Dubai Desert Classic at the Emirates Golf Club, Jan. 27, 2015, in Dubai, United Arab Emirates.
Ross Kinnaird/Getty Images
A devotee offers prayer by rolling on the ground at Sankhu during the Swasthani Brata Katha festival in Kathmandu, Nepal Jan. 26, 2015.
Jennifer Rice and Mike Femia battle wind-driven snow as they make their way to their jobs at a pharmaceutical lab, as seen through a window, Jan 27, 2015, in Portland, Maine.
Robert F. Bukaty/AP Photo
A man throws flour to another during the "Domingo Fareleiro" carnival festival in the village of Xinzo de Limia, Spain, Jan. 25, 2015.
Miguel Riopa/AFP/Getty Images
Indian Prime Minister Narendra Modi salutes from behind glass during a rain storm alongside US President Barack Obama as they attend India's Republic Day Parade in New Delhi, Jan. 26, 2015.
Saul Loeb/AFP/Getty Images
A competitor with a Dalek on his head takes part in the annual UK Cold Water Swimming Championships at Tooting Bec Lido, Jan. 24, 2015, in London.
Dan Kitwood/Getty Images
A woman takes a selfie with a seal in a water tunnel at the zoo in Gelsenkirchen, Germany, Jan. 26, 2015.
Martin Meissner/AP Photo
A Jammu and Kashmir state policeman performs a motorcycle stunt during Republic Day parade in Jammu, India, Jan. 26, 2015. Republic Day marks the anniversary of India's democratic constitution taking force in 1950.
Channi Anand/AP Photo