Flags of European Union and Poland are seen during an anti-government protest, called 'Freedom March' and organised by opposition parties, in Warsaw, Poland May 12, 2018. REUTERS/Kacper Pempel 

A labourer for Israel Antiquities Authority (IAA) works above an ancient Mikve, a Jewish ritual bath, which was discovered inside an underground cave in Jerusalem August 5, 2015. The bath, exposed during a routine IAA archaeological inspection of a construction site, dates back to the period of the second Jewish Temple, which was destroyed by the Romans in AD 70, a IAA press release said. REUTERS/Ronen Zvulun

Anti-EU protesters are seen through a burned and torn European Union flag during a protest at the northern city of Thessaloniki, Greece July 1, 2015. A defiant Prime Minister Alexis Tsipras urged Greeks on Wednesday to reject an international bailout deal, wrecking any prospect of repairing broken relations with EU partners before a referendum on Sunday that may decide Greece's future in Europe. REUTERS/Alexandros Avramidis 

Visitors view the Serpentine Summer Pavilion in Hyde Park in London June 22, 2015. The 15th annual architectural commission is a double-skinned polygonal translucent structure designed by Spanish architects Jose Selgas and Lucia Cano and will be open to the public until October 18. REUTERS/Toby Melville 

A contestant wears a dress while preparing backstage ahead of the Miss Gay Jozi (Jozi is slang for Johannesburg) pageant in Johannesburg May 23, 2015. Picture taken May 23, 2015. REUTERS/Siphiwe Sibeko

A Kashmiri Muslim woman prays during Meeraj-un-Nabi celebrations early morning at the Hazratbal shrine in Srinagar May 17, 2015. Thousands of Kashmiri Muslims on Sunday thronged the Hazratbal shrine, which houses what is believed to be a relic from the beard of Prophet Mohammed. The festival marks the ascension of Prophet Mohammed to Heaven. REUTERS/Danish Ismail
TPX IMAGES OF THE DAY

Actress Frederique Bel poses on the red carpet as she arrives for the opening ceremony and the screening of the film "La tete haute" out of competition during the 68th Cannes Film Festival in Cannes, southern France, May 13, 2015. The 68th edition of the film festival will run from May 13 to May 24. REUTERS/Eric Gaillard TPX IMAGES OF THE DAY

Beyonce arrives at the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of "China: Through the Looking Glass," in Manhattan, New York May 4, 2015. REUTERS/Lucas Jackson 

Protesters hold a giant Greek national flag during an anti-austerity and pro-government demonstration in front of the parliament in Athens February 15, 2015. Greece said on Sunday it was confident of reaching agreement in negotiations with its euro zone partners but reiterated it would not accept harsh austerity strings in any debt pact. A day before a euro zone finance ministers' meeting in Brussels to shore up withGreece's dwindling finances and help keep it in the euro zone, Prime Minister Alexis Tsipras told Germany's Stern magazine Athens needed time to implement its reform programme and shake off the mismanagement of the past. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS BUSINESS CIVIL UNREST TPX IMAGES OF THE DAY) 

A Palestinian boy looks through nylon sheet covering his family tent in the West Bank Beduin village of Farsiyah,in the northern Jordan Valley January 6, 2015. With memories still fresh of the Holy Land's worst storm in 50 years last winter, Israelis and Palestinians stocked up on supplies for a forecast heavy snowfall on Tuesday. REUTERS/Abed Omar Qusini (WEST BANK - Tags: SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY) 

Palestinian members of al-Qassam Brigades, the armed wing of the Hamas movement, display weapons during a military parade marking the 27th anniversary of Hamas' founding, in Gaza City December 14, 2014. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS MILITARY ANNIVERSARY TPX IMAGES OF THE DAY) 

A woman weaves designs at a loom workshop in Jabal al-Zawiya November 23, 2014. REUTERS/Khalil Ashawi (SYRIA - Tags: SOCIETY) 

Landowner and farmer Teofilo Huamani stands next to a net that traps moisture from fog on the hillside of Villa Maria Del Triunfo in Lima, November 20, 2014. The net-like structures that trap moisture from fog and mist were an initiative by a group of community leaders called "Peruvians Without Water", who said that the nets in total collect around 150 cubic meters of water per month during the winter season. They built a total of about 100 nets, and the water collected is distributed to the community for agricultural purposes. REUTERS/Mariana Bazo (PERU - Tags: SOCIETY AGRICULTURE) 

A Hindu woman arrives to offer prayers and walks past a sari, a traditional clothing worn by women, that has been kept out to dry as other devotees change into their clothes after taking a dip on the banks of the Ganges river in the northern Indian city of Allahabad November 9, 2014. REUTERS/Jitendra Prakash (INDIA - Tags: SOCIETY RELIGION TPX IMAGES OF THE DAY) 

Models wait backstage during Ukrainian Fashion Week in Kiev October 15, 2014. REUTERS/Gleb Garanich (UKRAINE - Tags: FASHION) 

A model presents a creation from the Simone Rocha Spring/Summer 2015 collection during London Fashion Week September 16, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: FASHION) 

A street vendor stands under a plastic cover at his merchandise stall as it rains in Mexico City September 10, 2014. REUTERS/Tomas Bravo (MEXICO - Tags: ENVIRONMENT BUSINESS) 

A Palestinian woman stands outside her house, which witnesses said was destroyed in an Israeli offensive, after a ceasefire was declared, in the east of Khan Younis in the southern Gaza Strip August 27, 2014. The open-ended ceasefire in the Gaza war between Israel and the Palestinians held on Wednesday as Prime Minister Benjamin Netanyahu faced strong criticism in his country's newspapers over a campaign in which no clear victor emerged. REUTERS/Ibraheem Abu Mustafa (GAZA - Tags: POLITICS CIVIL UNREST CONFLICT) 

A resident of an illegal building is seen inside a poorly-structured rooms at the Qalubiya town of Kaha, about 50 km (30 miles) north of Cairo, June 16, 2014. Scarce farmland has been eroded for decades by relentless population growth and urban sprawl, and the pace of unlicensed building exploded since 2011 when the overthrow of President Hosni Mubarak led to a security vacuum. Egypt's Agriculture Ministry estimates that some 30,000 feddans (acres) have been lost each year to unlicensed construction in the past three years, up from 10,000 feddans before the revolt. Picture taken June 16, 2014. To match Feature EGYPT-FARMLAND/WHEAT REUTERS/Asmaa Waguih (EGYPT - Tags: AGRICULTURE BUSINESS POLITICS INDUSTRIAL SOCIETY TPX IMAGES OF THE DAY) 

Actress Beatrice Rosen poses on the red carpet as she arrives for the screening of the film "Maps to the Stars" in competition at the 67th Cannes Film Festival in Cannes May 19, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)

A Palestinian worker uses a plastic sheet to cover sacks of flour from the rain outside a United Nations food distribution centre at Shati refugee camp in Gaza City May 8, 2014. REUTERS/Mohammed Salem (GAZA - Tags: FOOD SOCIETY POLITICS ENVIRONMENT) 

A worshipper attends the Day of the Spiritual Indoctrinator annual celebrations at the Vale do Amanhecer (Valley of the Dawn) community in the Planaltina neighborhood of Brasilia, May 1, 2014. The Vale do Amanhecer (Valley of Dawn) is a Christian Spiritualistic doctrine founded by the spiritualist visionary known as Tia Neiva (Aunt Neiva) in 1958 in Brazil's Federal District. Today, the community has approximately 30,000 people who live in the surroundings of the temple, with more than 400 temples in Brazil as well as in Japan, Bolivia, United States and Europe, and more than 300,000 mediums worldwide, according to the organizers. REUTERS/Ueslei Marcelino (BRAZIL - Tags: SOCIETY RELIGION TPX IMAGES OF THE DAY) 

A Palestinian man is seen before prayers at a makeshift mosque in northern Gaza Strip April 7, 2014. REUTERS/Mohammed Salem (GAZA - Tags: SOCIETY RELIGION) 

A placard depicting Russian President Vladimir Putin is seen behind an EU flag during a rally by members of the Czech Republic's Ukrainian community opposing Russian intervention in Crimea at Wenceslas Square in Prague March 8, 2014. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: POLITICS CIVIL UNREST) 

A boy is covered with a shawl as his mother carries him as she arrives to receive her free medical check-up during an event organized by the Amnesty International in Nuwakot around 60 km (37 miles) from Kathmandu March 6, 2014. The event titled "My Body My Rights" was launched to mark the beginning of the two-year campaign to raise awareness about gender discrimination and uterine prolapse in Nepal. REUTERS/Navesh Chitrakar (NEPAL - Tags: SOCIETY HEALTH TPX IMAGES OF THE DAY) 

Anti-government protesters hold a national flag during a rally against Venezuela's President Nicolas Maduro government in Caracas March 2, 2014. REUTERS/Jorge Silva (VENEZUELA - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY) 

An activist dressed as a woman in mourning stands outside a cathedral in commemoration of the 15th anniversary of the release of the report "Memorias del Silencio" or Memory of Silence, in Guatemala City, February 25, 2014. The report documented serious violations of human rights during Guatemala's 36 years of civil war and called it a genocide. REUTERS/Jorge Dan Lopez (GUATEMALA - Tags: POLITICS CRIME LAW ANNIVERSARY) 

A Greenpeace activist takes a photo while raising a banner at the Galleria Vittorio Emanuele II during a protest against what they say is the use of toxic chemicals in clothing during Fashion Week in Milan February 19, 2014.
REUTERS/Alessandro Bianchi (ITALY - Tags: FASHION CIVIL UNREST) 

A worker ties banners at the Olympic Park in the Adler district of Sochi, January 25, 2014. Sochi will host the 2014 Winter Olympic Games from February 7 to 23. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT OLYMPICS) 

A model presents a creation for French fashion house Maison Martin Margiela as part of its Haute Couture Spring/Summer 2014 fashion show in Paris, January 22, 2014. REUTERS/Benoit Tessier (FRANCE - Tags: FASHION TPX IMAGES OF THE DAY) 

Hindu pilgrims dry their sarees, a traditional women's clothing, after taking a holy dip at Sangam, the confluence of the Ganges, Yamuna and Saraswati rivers, in the northern Indian city of Allahabad January 18, 2014. REUTERS/Jitendra Prakash (INDIA - Tags: SOCIETY RELIGION TPX IMAGES OF THE DAY) 

A woman displaced by the fighting in Bor county sits by her mosquito net in the early morning in Minkaman, in Awerial county, Lakes state, in South Sudan, January 15, 2014. REUTERS/Andreea Campeanu (SOUTH SUDAN - Tags: CIVIL UNREST POLITICS CONFLICT) 

A villager riding a motorcycle covers his face with a plastic sheet to avoid ash from Mount Sinabung volcano at Tiga Pancur village in Karo district, Indonesia's North Sumatra province, early morning January 6, 2014. About 20,000 villagers have been evacuated since authorities raised the alert status for Sinabung to the highest level in November 2013, local media reported on Monday. REUTERS/Roni Bintang (INDONESIA - Tags: DISASTER ENVIRONMENT) 

A soldier stands guard as anti-government protesters hang a large Thai national flag on the gate of the gymnasium where candidates are due to register for the upcoming election during a rally at the Thai-Japan youth stadium in Bangkok December 25, 2013. Thai Prime Minister Yingluck Shinawatra unveiled a plan on Wednesday to create an independent reform council to try to appease opponents who, angered by her billionaire family's political dominance, are calling for her resignation. REUTERS/Athit Perawongmetha (THAILAND - Tags: POLITICS CIVIL UNREST ELECTIONS TPX IMAGES OF THE DAY) 

A man struggles against strong wind and rain caused by approaching Typhoon Wipha at a business district in Tokyo October 16, 2013. A once-in-a-decade typhoon threatened Japan on Tuesday, disrupting travel and shipping and forcing precautions to be taken at the wrecked Fukushima nuclear power plant. REUTERS/Toru Hanai (JAPAN - Tags: TPX IMAGES OF THE DAY ENVIRONMENT) 

The Pierre building is seen through a stairway as customers enter the Apple retail store on Fifth Avenue in Manhattan, New York September 20, 2013. Apple Inc's newest smartphone models hit stores on Friday in many countries across the world, including Australia and China. REUTERS/Adrees Latif (UNITED STATES - Tags: BUSINESS TELECOMS) 

A woman dries her saree, a traditional cloth used for women's clothing, on the Marina beach in the southern Indian city of Chennai September 13, 2013. REUTERS/Babu (INDIA - Tags: SOCIETY) 

A woman carrying her baby and wrapped with a shawl walks through a sandstorm in Timbuktu July 29, 2013. REUTERS/Joe Penney (MALI - Tags: SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY) FOR BEST QUALITY IMAGE ALSO SEE: GM1E9AB18FD01 

Protesters against Egyptian President Mohamed Mursi gather in Tahrir Square in Cairo July 3, 2013. The Egyptian president's national security adviser said on Wednesday that a "military coup" was under way and army and police violence was expected to remove pro-Mursi demonstrators. REUTERS/Asmaa Waguih (EGYPT - Tags: POLITICS CIVIL UNREST) 

A graduate stands behind the Chinese flag during a graduation ceremony at Fudan University in Shanghai June 28, 2013. A record high 6.99 million students are expected to graduate from college this year which places severe pressure on their search for jobs, according to Xinhua News Agency. REUTERS/Aly Song (CHINA - Tags: EDUCATION SOCIETY) 

Bags of methamphetamine pills are seen during the 42nd Destruction of Confiscated Narcotics ceremony in Ayutthaya province, nearly 80 km (50 miles) north of Bangkok, June 26, 2013. More than 3.3 tons (6600 pounds) of drugs, including methamphetamine, marijuana, heroin and opium, worth more than $333 million, were destroyed as the Thai government began its anti-drug campaign, according to the Thai Ministry of Public Health. REUTERS/Chaiwat Subprasom (THAILAND - Tags: DRUGS SOCIETY CRIME LAW) 

Anti-G8 demonstrators hold up a banner, in the Canary Wharf business district of east London June 14, 2013. Leaders of the G8 countries will meet at Lough Erne in Northern Ireland for the G8 Summit on June 17 and 18. REUTERS/Paul Hackett (BRITAIN - Tags: BUSINESS POLITICS) 

A man drinks from his glass while on the rooftop at the Gansevoort Meatpacking NYC in New York, June 12, 2013. New York City has a wild side and it has nothing to do with its honking yellow taxis, towering skyscrapers and celebrity-studded nightclub crowds. Picture taken June 12, 2013. To match story TRAVEL-NEWYORKCITY/NATURE REUTERS/Lucas Jackson (UNITED STATES - Tags: CITYSCAPE TRAVEL TPX IMAGES OF THE DAY SOCIETY) 

Models present creations during Colombo Fashion Week in Colombo April 3, 2013. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: FASHION) 

A protester who opposes Egyptian President Mohamed Mursi, is seen through a flag, on which the word "Egyptian" is inscribed, as she chants slogans during a demonstration against Mursi and members of the Muslim Brotherhood at Tahrir Square in Cairo February 22, 2013. Egyptian parliamentary elections will begin on April 27 and finish in late June, in a four-stage vote. REUTERS/Asmaa Waguih (EGYPT - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY) 

A man dressed as a bride smokes as he participates in the International Festival of the Masquerade Games in the town of Pernik, some 20 km (12 miles) west of Sofia, February 2, 2013. The annual festival gathers many masquerade companies from Europe, Asia, and Africa. REUTERS/Stoyan Nenov (BULGARIA - Tags: SOCIETY) 

Israeli women stand behind a curtain during an annual pilgrimage to the gravesite of Rabbi Yisrael Abuhatzeira, a Moroccan-born sage and kabbalist also known as the Baba Sali, in the southern town of Netivot January 14, 2013. REUTERS/Amir Cohen (ISRAEL - Tags: RELIGION ANNIVERSARY TPX IMAGES OF THE DAY) 

Syrian child refugees attend their fourth day of school at Al Zaatri refugee camp, in the Jordanian city of Mafraq, near the border with Syria October 4, 2012. The school is a grant from the European Union to provide education to Syrian refugees residing in Jordan. The first phase will start with 2,400 out of 4,000 primary, middle and high school students, the Director of UNICEF in Jordan, Dominique Hyde said. REUTERS/Muhammad Hamed (JORDAN - Tags: POLITICS EDUCATION CIVIL UNREST) 

Shoshi Barua, 56, a Buddhist woman lies under a mosquito net in her temporary shelter after Muslims set fire to her home in Cox's Bazar October 1, 2012. Bangladesh accused Muslim Rohingya refugees from Myanmar on Monday of involvement in attacks on Buddhist temples and homes in the southeast and said the violence was triggered by a photo posted on Facebook that insulted Islam. REUTERS/Andrew Biraj (BANGLADESH - Tags: CIVIL UNREST POLITICS SOCIETY RELIGION) 

Muslim demonstrators are seen through a flag as they shout anti-U.S. slogans during a protest against a film they consider blasphemous to Islam, in the southern Indian city of Chennai September 18, 2012. REUTERS/Babu (INDIA - Tags: CIVIL UNREST RELIGION) 

A girl is covered by a shawl to protect her from rain while being carried by her mother after returning from Pashupatinath Temple during the Teej festival in Kathmandu September 18, 2012. The three-day festival, commemorating the union of the Goddess Parvati and Lord Shiva, involves sumptuous feasts and rigid fasting. Hindu women pray for marital bliss, the well-being of their spouses and children, and the purification of their own bodies and souls during this period of religious fasting. REUTERS/Navesh Chitrakar (NEPAL - Tags: SOCIETY RELIGION TPX IMAGES OF THE DAY) 

A purse containing the latest issue of Time magazine, with Republican presidential candidate Mitt Romney on the cover, is seen during the second day of the Republican National Convention in Tampa, Florida August 28, 2012. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS ELECTIONS) 

A worker from Double Helix Tracking Technologies places a sample piece of wood into a bag at timber company PT Larasati Multisentosa in Pasuruan, Indonesia's East Java province July 2, 2012. Stores are increasingly worried about being duped by a global trade in illegal timber worth billions. Until now, the battle against trade in illegal timber has been waged with regulations and preventive measures, and has not met with much success. Now it is increasingly focused on using the criminal justice system and law enforcement techniques. Industry officials say rapid advances and plunging costs for DNA testing of timber now make it commercially viable for companies trying to meet new regulations in the U.S. and Europe against such practices. Picture taken July 2, 2012. To match Insight ENVIRONMENT-TIMBER/ REUTERS/Sigit Pamungkas (INDONESIA - Tags: ENVIRONMENT BUSINESS SCIENCE TECHNOLOGY) 

A woman carries bags of white brinjal at a wholesale vegetable market in the western Indian city of Ahmedabad August 14, 2012. India's wholesale inflation unexpectedly fell in July to 6.87 percent, its lowest level since January 2010, although economists were not convinced it would be enough to persuade the RBI to cut rates at its September meeting to help revive the economy. REUTERS/Amit Dave (INDIA - Tags: BUSINESS FOOD) 

The Union flag is reflected on glass as competitors ride in the track cycling women's omnium elimination race at the Velodrome during the London 2012 Olympic Games August 6, 2012. REUTERS/Cathal McNaughton (BRITAIN - Tags: SPORT CYCLING OLYMPICS) 

A woman covers herself from the rain as she walks into the Olympic Park in Stratford, east London, July 29, 2012. REUTERS/Paul Hackett (BRITAIN - Tags: SPORT OLYMPICS ENVIRONMENT SOCIETY) 

Beekeeper Valery Titov, 63, poses for a picture at his farm outside the village of Novopyatnitskoye, about 120 km (75 miles) east of Russia's Siberian city of Krasnoyarsk, July 15, 2012. The psychologist, a graduate of Leningrad (current St. Petersburg) State University who now lives together with his family at an apiary farm, patented his self-built invention which comprises of more than 20 fitness equipment that can be used for bodybuilding and physiotherapy. His equipments which are made of Angara pine and the cedar wood without any metal components, have no demand among investors and businessmen at the moment, according to Titov. Picture taken July 15, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY HEALTH) 

A model presents a creation by Italian designer Giorgio Armani as part of his Haute Couture Fall/Winter 2012-2013 fashion show for Giorgio Armani Prive in Paris July 3, 2012. REUTERS/Benoit Tessier (FRANCE - Tags: FASHION) 

Six-month-old Anand sleeps in a hammock with his family as they take shelter under a bridge in Karachi June 30, 2012. REUTERS/Athar Hussain (PAKISTAN - Tags: SOCIETY POVERTY) 

A man takes a nap inside a mosquito net by the roadside during an early morning in Noida, on the outskirts of New Delhi June 9, 2012. REUTERS/Parivartan Sharma (INDIA - Tags: SOCIETY)