The most compelling, intriguing pictures from the week's news, Feb. 21-27, 2015.
Acrobatic pilots perform on the first public day of the Australian International Airshow at the Avalon Airfield near Lara southwest of Melbourne, February 27 2015.
London Fashion Week
A model's lips are covered in glitter during the Sophia Webster Presentation at London Fashion Week Fall/Winter 2015/16 at the Welsh Chapel, February 22, 2015.
Oscars - Neil Patrick Harris
Host Neil Patrick Harris stands unclothed onstage during the 87th Annual Academy Awards, in reference to Michael Keaton's character in the nominated film "Birdman", at the Dolby Theatre in Hollywood, February 22, 2015.
Michael Keaton and director Alejandro Gonzalez Inarritu with cast and crew accept the Best Picture award for "Birdman" during the 87th Annual Academy Awards at Dolby Theatre in Hollywood, February 22, 2015.
Lunar New Year, Hong Kong
A performer providing a lion dance for a restaurant as part of celebrations of the Chinese lunar New Year plays around with a customer having his lunch in Hong Kong, February 23, 2015.
Mount Sinabung volcano
A long exposure shows lightning streaks near the crater of Mount Sinabung volcano, glowing with lava, seen from Karo district on Indonesia's Sumatra island, February 21, 2015.
Mount Sinabung began erupting in September 2013 and recently had a new series of eruptions February 10.
Madonna, Brit music awards
Singer Madonna falls during her performance at the BRIT music awards at the O2 Arena in Greenwich, London, February 25, 2015.
Londoner Mohammed Emwazi, 27, was identified this week as the ISIS executioner known as "Jihadi John," is seen in a picture from his university records (R) next to a picture from an ISIS execution video.
British intelligence said Emwazi was on its radar since 2009 until it apparently lost track of him about two years ago.
Polar bear robot, Japan
A polar bear robot "Robear" lifts a woman for a demonstration in Nagoya, central Japan, February 23, 2015.
The "Robear", developed by Riken Institute and Sumitomo Riko, has a polar cub-like face with big doey eyes, but packs enough power to transfer frail patients from a wheelchair to a bed or a bath.
A historically low birth rate and ever-increasing life expectancy means Japan's population of elderly people is growing, while the pool of young people to look after them is shrinking.
Laborers work at the installation site of a new railway track on the outskirts of Agartala, capital of India's northeastern state of Tripura, February 25, 2015.
London pension fight
Firefighters protest during a 24-hour strike outside Methodist Central Hall Westminster in London, February 25, 2015.
Firefighters across the country are participating in the strike over changes to their pensions.
A convoy of Ukrainian armed forces including armored personnel carriers, military vehicles and cannons prepare to move as they pull back from the Debaltseve region, in Paraskoviyvka, eastern Ukraine, February 26, 2015.
Ukrainian troops towed artillery away from the front line in the east on Thursday, a move that amounted to recognizing that a ceasefire meant to take effect on Feb. 15 was holding at last.
Naked Festival, Japan
The most compelling, intriguing pictures from the week's news, Feb. 21-27, 2015.
Men cram into the temple waiting for priests to drop the sacred talisman at the Hadaka Matsuri, or Naked Festival, at Saidaiji Temple in Okayama, Japan, February 21, 2015.
Nine thousand men battle to grab a pair of lucky sticks thrown by priests in one of the most vibrant festivals in Japan.
Prince William, Tokyo
Britain's Prince William (C), Duke of Cambridge, smiles with Tokyo Governor Yoichi Masuzoe (front) on the deck of a cruise boat as they tour the Tokyo Bay area in Tokyo, February 26, 2015.
Prince William flew into Japan Thursday for a four-day visit. One of the Tokyo's landmark Rainbow Bridge is seen behind them. Thomas Peter/Reuters
Europa League soccer
Celtic's goalkeeper Craig Gordon jumps for the ball during their Europa League round of 32 second leg soccer match against Inter Milan at the San Siro stadium in Milan, February 26, 2015.
A monkey performs during a show at the Wild Animal Park, one of the main tourist attractions during the Chinese Lunar New Year holidays in Shanghai, February 24, 2014.
Anti-eviction activists, Madrid
Anti-eviction activists place furniture by the entrance door to the apartment of Emilia Montoya Vazquez while waiting for the police to carry out her family's eviction by the Municipal Housing and Land Company (EMVS) in Madrid, February 25, 2015.
Montoya shared the flat where she had been living for the last 16 years with her son, his wife and their three children. The family fell behind with the rent payments and accumulated a debt of 3,000 euros ($3,407). Their eviction was carried out despite the efforts of anti-eviction activists, who blocked the main entrance door with furniture.
Scientists were able to take this amazing shot of comet Lovejoy using the world's most powerful digital camera., the 570-megapixel Dark Energy camera. The photo was taken December 27, 2014, but not released to the public till February 27, 2015.
The image was taken as the comet was passing about 51 million miles from Earth.
Hong Kong lawmakers
Pro-democracy lawmaker Leung Kwok-hung throws an object at Hong Kong's Financial Secretary John Tsang (not pictured) to demand a universal retirement protection scheme during the annual budget report at the Legislative Council in Hong Kong, February 25, 2015.
Anti-government march, Ukraine
Activists of the Right Sector political party attend an anti-government march in Kiev, February 25, 2015.
Egyptian activist Alaa Abdel Fattah
Egyptian activist Alaa Abdel Fattah stands behind bars with fellow defendants during their verdict at a police institute in Cairo's Tora prison, February 23, 2015.
Fattah, a leading dissident in the 2011 uprising that toppled strongman Hosni Mubarak, was sentenced by an Egyptian court to five years in prison over an illegal protest.
Nordic World Ski, Finland
Finland's Janne Ahonen soars past judges windows during the normal hill HS100 mixed team ski jumping event of the Nordic World Ski Championships in Falun, February 22, 2015.
A pair of llamas on the loose for two hours in Sun City, Arizona, February 26, 2015.
The llamas had an appointment at the Carillons GenCare Lifestyle retirement community as therapy animals, but got spooked and ran off when a retiree tried to hold one of them. Their escapade gained plenty of attention with several hashtags created on social media including #llamadrama.
A bird flies in front of city sky scrapers covered by fog in the center of Warsaw, February 23, 2015.
A follower of the Holy Spirit Movement church performs rituals on a child at a shrine in Gulu town, north of Uganda's capital Kampala, February 15, 2015.
Student wrestlers fight during the Student Pro-Wrestling Summit in Tokyo, Japan, February 26, 2015.
Members of college pro-wrestling clubs from all across Japan gathered to compete in their final graduation fight night held at Korakuen Hall in Tokyo.
NASA astronaut Barry "Butch" Wilmore shoots a selfie while on a space walk to run a cable outside the International Space Station, February 21, 2015.
The photo earned over 54,000 likes on NASA's Facebook page.
Acid attack, Nepal
The hand of Sangita Magar, 16, on the bed of a hospital while Magar undergoes treatment after an unidentified person attacked her with a bottle of acid in Kathmandu February 22, 2015.
Sangita and her friend, Sima Basnet, were attacked by the stranger while they were sitting inside their coaching class early morning.
Clowns, New York
Clowns sit in shoe shine chairs at Grand Central Terminal during a media event to promote Ringling Bros. and Barnum & Bailey all-day celebration of its all new Circus XTREME in New York City, February 24, 2015.
Brooklyn Bridge, New York
Ice in the East River surrounds the Brooklyn Bridge with a view towards Brooklyn, February 24, 2015.
Record-low temperatures for February created large ice floes in New York City's rivers, February 24, 2015.
Vivienne Westwood, London
Designer Vivienne Westwood (C) is surrounded by models following her Red Label Autumn/Winter 2015 collection show at London Fashion Week, February 22, 2015.