Members of teh Bolivarian Militia take p...Members of teh Bolivarian Militia take part in its fifth anniversary in Caracas on April 13, 2015. AFP PHOTO/FEDERICO PARRAFEDERICO PARRA/AFP/Getty Images

Federico Parra/AFP/Getty Images

Members of the Bolivarian Militia take part in its fifth anniversary in Caracas, Venezuela

A man takes a photograph of a cherry tree in blossom in Tokyo, Japan, on Tuesday, March 31, 2015. Japan's emergence from recession was weaker than first estimated as companies unexpectedly cut investment and drew down their inventories, offsetting a pickup in consumer spending. Photographer: Tomohiro Ohsumi/Bloomberg

Tomohiro Ohsumi/Bloomberg

A man takes a photograph of a cherry tree in blossom, in Tokyo, Japan

A handout picture taken on March 23, 201...A handout picture taken on March 23, 2015 and obtained in London on March 24, 2015, from Britain's Ministry of Defence, shows a bomb disposal expert checking the fuse on an unexploded 1,000-pound (455-kilogramme) bomb which was discovered at a building site in south London. Residents were evacuated from around 1,200 homes in a densely populated London neighbourhood, as bomb disposal experts worked on Tuesday to defuse a 1,000-pound (455-kilogramme) bomb from World War II. The local council said it had put 80 people up in hotels in the area overnight, and was serving hot food and drinks at a sports centre and a local library, as well as providing activities for children.  AFP PHOTO / SERGEANT RUPERT FRERE/MOD/HANDOUT

Sergeant Rupert Frere/MOD Handout/AFP Photo

A bomb disposal expert checks the fuse on an unexploded first world war 1,000lb bomb which was discovered at a building site in south London. Residents were evacuated as bomb disposal experts worked to defuse the bomb.

A labourer takes a nap in a wholesale fruit market area in Kolkata...A labourer takes a nap in a wholesale fruit market area in Kolkata March 24, 2015. REUTERS/Rupak De Chowdhuri

Rupak De Chowdhuri/Reuters

A labourer takes a nap in a wholesale fruit market area in Kolkata, India

People react as they watch a rodeo show at the International Livestock Fair in Havana March 21, 2015. Picture taken March 21. REUTERS/Alexandre Meneghini

Alexandre Meneghini/Reuters

People react as they watch a rodeo show at the International Livestock Fair in Havana, Cuba.

Artist has his face painted to resemble Hindu god Shasthappan before performing during the Theyyam ritual in Somwarpet...An artist has his face painted to resemble Hindu god Shasthappan before performing during the Theyyam ritual in Somwarpet town in the southern Indian state of Karnataka March 16, 2015. Theyyam is a form of worship and is celebrated mostly in southern parts of the country. Picture taken March 16, 2015. REUTERS/Abhishek N. Chinnappa (INDIA - Tags: ANNIVERSARY RELIGION SOCIETY)

Abhishek N. Chinnappa/Reuters

An artist has his face painted to resemble the Hindu god Shasthappan, before performing during the Theyyam ritual in Somwarpet town in the southern Indian state of Karnataka

Chadian jockeys wait to race during an afternoon of races at the hippodrome in N'djamena, Chad, Sunday March 15, 2015. Horse races take place every Sunday, bringing hundreds of spectators willing to brave the excruciating heat to watch their favorite sport.(AP Photo/Jerome Delay)

Jerome Delay/AP

Chadian jockeys wait to take part during an afternoon of horse races at the hippodrome in N’djamena, Chad. Races take place every Sunday.

Cats crowd the harbour on Aoshima Island in the Ehime prefecture in southern Japan February 25, 2015. An army of cats rules the remote island in southern Japan, curling up in abandoned houses or strutting about in a fishing village that is overrun with felines outnumbering humans six to one. Picture taken February 25, 2015. To match story JAPAN-CATS/    REUTERS/Thomas Peter

Thomas Peter/Reuters

Cats crowd the harbour on Aoshima Island in the Ehime prefecture in southern Japan. This fishing village is overrun with felines, outnumbering humans six to one

Female police recruits throw their caps in the air, as they celebrate after their passing-out parade, in the northeastern Indian city of Agar...Female police recruits throw their caps in the air, as they celebrate after their passing-out parade, in the northeastern Indian city of Agartala, March 2, 2015. REUTERS/Jayanta Dey (INDIA - Tags: MILITARY)

Jayanta Dey/Reuters

Female police recruits throw their caps in the air as they celebrate after their passing-out parade, in the northeastern Indian city of Agartala.

Actor Redmayne reacts as he takes the stage to accept the Oscar for best actor for his role in "The Theory of Everything" during the 87th Academy Awards in Hollywood...Actor Eddie Redmayne reacts as he takes the stage to accept the Oscar for best actor for his role in "The Theory of Everything" during the 87th Academy Awards in Hollywood, California February 22, 2015.  REUTERS/Mike Blake (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-SHOW)

Mike Blake/Reuters

Actor Eddie Redmayne reacts as he takes the stage to accept the Oscar for best actor for his role in The Theory of Everything during the 87th Academy Awards in Hollywood, California

he Dean of Ripon Cathedral John Dobson takes part in the annual Pancake Races with children from Ripon Cathedral School outside Ripon Cathedral, North Yorkshire. PRESS ASSOCIATION Photo. Issue date: Tuesday February 17, 2015. Photo credit should read: Anna Gowthorpe/PA Wire

Anna Gowthorpe/PA Wire

The Dean of Ripon Cathedral John Dobson takes part in the annual Pancake Races with children from Ripon Cathedral School outside Ripon Cathedral, North Yorkshire.

Boys bathe at roadside municipal taps during early morning in the old quarters of Delhi...Boys bathe at roadside municipal taps during early morning in the old quarters of Delhi February 17, 2015. REUTERS/Ahmad Masood (INDIA - Tags: SOCIETY)

Ahmad Masood/Reuters

Boys bathe at roadside municipal taps in the early hours of the morning in the old quarters of Delhi, India

A Nepalese Hindu Sadhu (holy man) paints...A Nepalese Hindu Sadhu (holy man) paints coloured paste onto his face during the Maha Shivaratri festival in Kathmandu on February 17, 2015. Hindus mark the Maha Shivratri festival by offering prayers and fasting. Hundreds of sadhus have arrived in Pashupatinath to take part in the event. AFP PHOTO / PRAKASH MATHEMAPRAKASH MATHEMA/AFP/Getty Images

Prakash Mathema/AFP/Getty Images

A Nepalese Hindu sadhu (holy man) paints coloured paste on to his face during the Maha Shivaratri festival in Kathmandu, Nepal. Hindus mark the festival by offering prayers and fasting. Hundreds of sadhus have arrived in Pashupatinath to take part in the event

Performers gather during preparations fo...Performers gather during preparations for Chinese lunar new year celebrations in Hong Kong on February 17, 2015. The Chinese lunar new "year of the sheep" begins on February 19.   AFP PHOTO / Philippe LopezPHILIPPE LOPEZ/AFP/Getty Images

Philippe Lopez/AFP/Getty Images

Performers gather during preparations for the lunar new year celebrations in Hong Kong. The Chinese ‘year of the sheep’ begins on February 19

Revellers from the Grande Rio samba school participate in the annual carnival parade in Rio de Janeiro's Sambadrome...Revellers from the Grande Rio samba school participate in the annual carnival parade in Rio de Janeiro's Sambadrome, February 16, 2015.     REUTERS/Ricardo Moraes (BRAZIL - Tags: ENTERTAINMENT SOCIETY)

Ricardo Moraes/Reuters

Revellers from the Grande Rio samba school participate in the annual carnival parade in Rio de Janeiro‘s Sambadrome

Smoke rises in the sky after a suicide car bomb attack in Kunduz province February 10, 2015. Taliban insurgents launched an attack on a police headquarters in northern Afghanistan, provincial police spokesman Sayed Sarwar Hosseini said. At least two policemen were wounded in the attack, and five suicide attackers were killed by Afghan forces, Hosseini reported.  REUTERS/Stringer (AFGHANISTAN - Tags: CIVIL UNREST TPX IMAGES OF THE DAY)

Reuters

Smoke rises in the sky after a suicide car bomb attack in Kunduz province. Taliban insurgents launched an attack on a police headquarters in northern Afghanistan, provincial police spokesman Sayed Sarwar Hosseini said. At least two policemen were wounded in the attack, and five suicide attackers were killed by Afghan forces.

An Indian hand rickshaw puller transports children to school in Kolkata, India, Tuesday, Feb. 10, 2015. Kolkata is the only city in India where hand-pulled rickshaws are still in operation. (AP Photo/Bikas Das)

Bikas Das/AP

An Indian hand rickshaw puller transports children to school in Kolkata, India. Kolkata is the only city in India where hand-pulled rickshaws are still in operation.

A woman reacts as the residential block (back) in which she lives in burns, a result of recent shelling according to locals, on the outskirts of Donetsk, eastern Ukraine February 9, 2015. REUTERS/Maxim Shemetov (UKRAINE  - Tags: POLITICS CIVIL UNREST CONFLICT)

Maxim Shemetov/Reuters

A woman reacts as the residential block she lives in burns on the outskirts of Donetsk, eastern Ukraine, as a result of shelling, according to locals

Toshisumi, a 'Maiko,' or apprentice geis...Toshisumi, a 'Maiko,' or apprentice geisha, from Kyoto's Miyakawa cho, performs a traditional dance during the opening ceremony of the "Kyo Aruki in Tokyo 2015," a Kyoto sightseeing event in Tokyo on February 4, 2015.  The 1,200-year-old city of Kyoto began a one month long campaign of events in Tokyo to attract tourists. AFP PHOTO / TOSHIFUMI

Toshifumi Kitamura/AFP/Getty

Toshisumi, a ‘Maiko,’ or apprentice geisha, performs a traditional dance during the opening ceremony of the ‘Kyo Aruki in Tokyo 2015′, a Kyoto sightseeing event. The 1,200-year-old city of Kyoto began a one-month programme of events in Tokyo to attract tourists

An Albanian man walks through flood waters towards his home in the village of Mifol near the city of Vlora on February 3, 2015. Floods caused by heavy rains over the last days have hit southern Albania, forcing the evacuation of hundreds of villagers after rivers flooded thousands of hectares (acres), hundreds of homes and many roads. Many regions in southern Albania had no power or water. Police urged residents to cancel travel plans and more intense rain was forecast to hit over the next few days. No casualties were reported. AFP PHOTO / GENT SHKULLAKUGENT SHKULLAKU/AFP/Getty Images

Gent Shkullaku/AFP/Getty Images

A man walks home through flood waters in the village of Mifol near the city of Vlora. Floods caused by heavy rains over the past few days have hit southern Albania, forcing the evacuation of hundreds of villagers after rivers flooded hundreds of homes and many roads.