Descendents of Koreans who were conscripted to the Japanese imperial army or recruited for forced labor under Japan's colonisation surround a statue of a girl as they attend an anti-Japan rally in front of the Japanese embassy in Seoul, South Korea, June 22, 2015. South Korea and Japan marked the 50th anniversary of diplomatic ties on Monday with a push to mend relations strained by a territorial dispute and a feud over Japan's wartime past. The statue, which was installed in 2011 by a civic group, represented victims of sexual slavery by the Japanese military during World War Two. REUTERS/Kim Hong-Ji 

A man watches protesters attending an anti-Japan rally in front of the Japanese embassy in Seoul, South Korea, June 22, 2015. South Korea and Japan marked the 50th anniversary of diplomatic ties on Monday with a push to mend relations strained by a territorial dispute and a feud over Japan's wartime past. The statue, which was installed in 2011 by a civic group, represented victims of sexual slavery by the Japanese military during World War Two. REUTERS/Kim Hong-Ji 

Supporters chant slogans during a weekly anti-Japan rally to demand for an official apology and compensation from the Japanese government, in front of the Japanese embassy in Seoul August 14, 2013. The rally was held ahead of the August 15 National Liberation Day which celebrates independence from Japan's colonial rule. Japan had occupied the Korean peninsula by force from 1910-1945. A statue of a girl representing victims of the Japanese sexual slavery is seen at centre. The signs read: "Official apology!" (in blue) and "Punish person in charge!" (in yellow). REUTERS/Kim Hong-Ji (SOUTH KOREA) 

War veterans chant slogans next to a statue of a girl during an anti-Japan rally in front of Japanese embassy in Seoul May 23, 2013. The rally was held to denounce Abe and demand an official apology for Japan's war crimes during World War Two. Protesters also condemned controversial comments by the mayor of the Japanese city of Osaka who said last week that Japan's military brothels during World War Two were "necessary" to provide respite for soldiers, said organisers. The statue, which was installed in 2011 by a civic group, represented victims of sexual slavery by the Japanese military during World War Two. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: POLITICS MILITARY CIVIL UNREST) 

South Korean conservative right-wing protesters chant slogans next to a statue of a girl during an anti-Japan rally in front of the Japanese embassy in Seoul April 26, 2013. South Korea summoned Tokyo's ambassador in Seoul on Thursday to protest at Japanese Prime Minister Shinzo Abe's defense of visits by senior officials and lawmakers to a shrine seen by Japan's neighbors as a symbol of wartime aggression. The statue, which was installed in 2011 by a civic group, represented victims of sexual slavery by the Japanese military during World War Two, protesters said. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CIVIL UNREST MILITARY POLITICS) 

People attend an anti-Japan rally held to demand Japan's apology for the wartime Korean sex slaves made by the Japanese military, in front of Japanese embassy in Seoul August 15, 2012. Tension between Japan and its Asian neighbours escalated on Wednesday, the 67th anniversary of the end of World War Two, as South Korea and China both told Tokyo to do much more to resolve lingering bitterness over its past military aggression. A statue of a girl representing victims of the Japanese sexual slavery is seen on the right. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: POLITICS CIVIL UNREST ANNIVERSARY) 

Former South Korean comfort woman Gil Won-og looks at the "Peace Monument", representing Korean comfort women, on a pavement across a road in front of the Japanese embassy in Seoul December 21, 2011, before the 1,001st weekly anti-Japan protest. The monument that is covered by a cap, mufflers and blankets put on by people was installed by a civic group last Wednesday when former comfort women held the 1,000th "Wednesday Rally" demanding Japan's apology and compensation for forcing hundreds of Korean women into sex slavery for their soldiers during the Second World War. Tokyo has asked for the monument's removal, but Seoul said that it's beyond their authority, according to local media. The former comfort women have held the weekly protest in front of the Japanese Embassy in Seoul since January 1992. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: POLITICS CIVIL UNREST) 

Former South Korean comfort woman Gil Won-og (R) greets the "Peace Monument", representing Korean comfort women, on a pavement across a road in front of the Japanese embassy in Seoul December 21, 2011, before the 1,001st weekly anti-Japan protest. The monument that is covered by a cap, mufflers and blankets put on by people was installed by a civic group last Wednesday when former comfort women held the 1,000th "Wednesday Rally" demanding Japan's apology and compensation for forcing hundreds of Korean women into sex slavery for their soldiers during the Second World War. Tokyo has asked for the monument's removal, but Seoul said that it's beyond their authority, according to local media. The former comfort women have held the weekly protest in front of the Japanese Embassy in Seoul since January 1992. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: POLITICS CIVIL UNREST) 

Supporters, among nearly 100 others, of the religious political party Jamaat-e-Islami shout slogans during an anti-American demonstration in Peshawar September 30, 2011. Protests by Pakistan's religious parties erupted in several cities on Friday a day after major political parties issued a joint declaration that Islamabad would negotiate with militants, defend its soverignty and resist American pressure. The placard (R) reads in Urdu, "Rulers, you are worshippers of dollars, break the chains of Americans slavery". REUTERS/Fayaz Aziz (PAKISTAN - Tags: POLITICS CIVIL UNREST) 

Some of the more than 1,000 laborers that were found living in slave-like conditions on the Pagrisa sugar cane plantation arrive by bus two days after being freed by members of the government's anti-slavery team, in Ulianopolis in the northeastern state of Para, some 250 kms (155 miles) from the mouth of the Amazon river, July 4, 2007. Brazil's labor ministry freed the workers from inhumane working conditions in a raid that the International Labor Organization called the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

Some of the more than 1,000 laborers that were found living in slave-like conditions on the Pagrisa sugar cane plantation are driven away from the farm in a bus two days after being freed by members of the government's anti-slavery team, in Ulianopolis in the northeastern state of Para, some 250 kms (155 miles) from the mouth of the Amazon river, July 4, 2007. Brazil's labor ministry freed the workers from inhumane working conditions in a raid that the International Labor Organization called the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

Some of the more than 1,000 laborers that were found living in slave-like conditions on the Pagrisa sugar cane plantation are driven away from the farm in a bus two days after being freed by members of the government's anti-slavery team, in Ulianopolis in the northeastern state of Para, some 250 kms (155 miles) from the mouth of the Amazon river, July 4, 2007. Brazil's labor ministry freed the workers from inhumane working conditions in a raid that the International Labor Organization called the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

Some of the more than 1,000 laborers that were found living in slave-like conditions on the Pagrisa sugar cane plantation hold up for journalists the checks they received from the company as compensation after being freed by members of the government's anti-slavery team, in Ulianopolis in the northeastern state of Para, some 250 kms (155 miles) from the mouth of the Amazon river, July 4, 2007. Brazil's labor ministry freed the workers from inhumane working conditions in a raid that the International Labor Organization called the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

Some of the more than 1,000 laborers that were found living in slave-like conditions on the Pagrisa sugar cane plantation hold up for journalists the checks they received from the company as compensation after being freed by members of the government's anti-slavery team, in Ulianopolis in the northeastern state of Para, some 250 kms (155 miles) from the mouth of the Amazon river, July 4, 2007. Brazil's labor ministry freed the workers from inhumane working conditions in a raid that the International Labor Organization called the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

A truck leaves the Pagrisa agricultural company's sugar cane farm near Ulianopolis in the northeastern state of Para, some 250 km (155 miles) from the mouth of the Amazon river, where more than 1,000 laborers were found living in slave-like conditions July 3, 2007. Brazil's government anti-slavery team freed more than 1,000 laborers from inhumane working conditions on this sugar cane plantation in the Amazon, in a raid the International Labor Organization called it the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

Employees of the Pagrisa agricultural company block journalists from entering the company's sugar cane farm near Ulianopolis in the northeastern state of Para, some 250 km (155 miles) from the mouth of the Amazon river, July 3, 2007. Brazil's government anti-slavery team freed more than 1,000 laborers from inhumane working conditions on this sugar cane plantation in the Amazon, in a raid the International Labor Organization called it the largest single bust ever made in Brazil, where some 160 illegal worksites have been raided in the past few years. REUTERS/Paulo Santos (BRAZIL) 

A pro-slavery petition is displayed in the Houses of Parliament in London March 23, 2007. The petition was displayed alongside an anti-slavery petition supporting the Foreign Slave Trade Abolition Bill of 1806 to mark the anniversary of the passing of the bill on March 25, 1807. REUTERS/Kieran Doherty (BRITAIN) 

A protester shouts slogans during an anti-Japan protest denouncing Japan's Prime Minister Shinzo Abe in front of the Japanese Embassy in Seoul March 4, 2007. Abe said on Thursday that there was no evidence to validate claims that Asian women were coerced into serving as sex slaves for the Japanese army during World War II. The banner reads 'Censure Abe's reckless remark of avoiding responsibility for Japan using women as military sexual slavery.' REUTERS/You Sung-Ho (SOUTH KOREA) 

A protester shouts slogans during an anti-Japan protest denouncing Japan's Prime Minister Shinzo Abe in front of the Japanese Embassy in Seoul March 4, 2007. Abe had said on Thursday that there was no evidence to validate claims that Asian women were coerced into serving as sex slaves for the Japanese army during World War II. The banner reads 'Censure Abe's reckless remark of avoiding responsibility for Japan using women as military sexual slavery.' REUTERS/You Sung-Ho (SOUTH KOREA) 

Mariama Oumarou, 20, recounts how she escaped a life of slavery during an interview in Niger's capital Niamey in this July 3, 2005 file photo. Describing scenes that sound like horror stories from past centuries, the testimonies of women once trapped in lives of servitude suggest slavery is thriving in the West African country of Niger despite the government's denials. London-based human rights group Anti-Slavery International says 43,000 people live as slaves in Niger. Picture taken July 3, 2005. TO MATCH FEATURE NIGER-SLAVERY REUTERS/Finbarr O'Reilly/File 

YoungTuareg young girls, claiming to be slaves, attend a ceremony where chief Amdague denies slavery exists in Niger. Young Tuareg girls, claiming to be slaves, attend a ceremony where their Chief Arissal ag Amdague who had promised to release 7,000 slaves denies slavery exists in Niger March 5, 2005 in a ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston = 

Tuareg men, claiming to be slaves, attend a ceremony where their Chief Arissal ag Amdague who had promised to release 7,000 slaves denies slavery exists in Niger March 5, 2005 ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston GC/RSS/AA 

A Tuareg child sits in his mother's lap attend a ceremony where chief Amdague denies slavery exists in Niger. A Tuareg child sits on his mother's lap as women, claiming to be slaves, attend a ceremony where their Chief Arissal ag Amdague, who had promised to release 7,000 slaves in a ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey, denied that slavery exists in Niger, March 5, 2005. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston 

Tuaregs look on as their chief Amdague who had promised to release 7,000 slaves denies slavery exists in Niger. Tuaregs watch as their Chief Arissal ag Amdague who had promised to release 7,000 slaves denies slavery exists in Niger March 5, 2005 during a ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston 

A Touareg woman attends a ceremony where their Chief Arissal ag Amdague who had promised to release 7,000 slaves denies slavery exists in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey, March 5, 2005. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston GC/RSS/ABP 

Touareg girls, claimed to be slaves, attend a ceremony where their Chief Arissal ag Amdague who had promised to release 7,000 slaves denies slavery exists during a ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey, March 5, 2005 According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston GC/RSS/ABP 

Touareg chief Arissal ag Amdague who had promised to release 7,000 slaves denied slavery exists in Niger March 5, 2005 during a ceremony in Ates, Tillaberi region of western Niger, 277km (141 miles) from capital Niamey. According to the Anti-Slavery International organisation, up to 43,000 slaves in Niger perform gruelling work without pay and are routinely subjected to physical and sexual abuse. Picture taken March 5, 2005. REUTERS/Georgina Cranston GC/RSS/ABP 

Former "comfort woman" Lee Ok-sun, an 80-year-old South Korean woman
who was forced into sexual slavery for Japanese soldiers during World
War II, chants slogans during an anti-Japan protest in Seoul July 9,
2001. About 200 angry protesters gathered to demand compensation, along
with the revision of a Japanese textbook that critics say whitewashes
Tokyo's wartime atricities. In a move certain to anger China and South
Korea, Japan on Monday rejected calls to revise the book.

YUN/JD 

Former South Korean comfort woman Kang Il-chul, 73, who was forced into sexual slavery for Japanese soldiers during World War II, shouts anti-Japanese slogans as she holds a banner showing images of sex slaves during a protest rally at near the Japanese Embassy in Seoul June 27, 2001. The protesters demand an official apology from the Japanese government and the revision of Japanese textbooks which gloss over its 1910-1945 colonisation of the Korean peninsula.

YUN/PB 

Mun Pil-gi, a 75-year-old South Korean woman who was forced into sexual slavery for Japanese soldiers during World War II, shouts slogans during an anti-Japan protest in front of Japanese Embassy in Seoul May 23, 2001. Dozens of protesters gathered to demand an apology and compensation from the Japanese government for their ordeal, and called for the revision of Japanese middle school textbook which glosses over its 1910-1945 colonisation of Korea.

LJW/JD 

Former "comfort woman" Kang Il-chul, 74, a South Korean woman who was forced into sexual slavery for Japanese soldiers during World War 11, shouts slogans during an anti-Japan protest rally in front of the Japanese Embassy in Seoul May 16, 2001. About 100 angry protesters, demanded an official apology and compensation from the Japanese government for their ordeal and the revision of Japanese textbooks which glosses over its 1910-1945 colonisation of the Korean peninsula.

YUN/CP 

South Koreans Lee Yong-nyeo (R), 72, Mun Pil-gi (C),75, and Park Ong-nyon, 82, who were forced to become so-called comfort women, or sex slaves, by Japanese soldiers during World War Two, shout anti-Japan slogans at a protest near the Japanese embassy in Seoul April 25, 2001. The Korean Council for the Women Drafted for Military Sexual Slavery by Japan said on Wednesday they sent five delegate members, including two former comfort women, to Japan to protest over the controversial Japanese textbook at Japan's Diet in Tokyo from 25 April till 1 May.

LJW/PB 

Former Filipino comfort women, or WWII sex slaves, hold photographs of their colleagues who have passed away in recent years, during a protest outside the Philippine International Convention Centre (PICC) where the 3rd Informal Association of Southeast Asian Nations (ASEAN) is being held in Manila November 28. The members of the group are wearing black shirts to signify their grief since they became wartime military victims of rape and sexual slavery by the Japanese Imperial Army during World War II. Japanese Prime Minister Obuchi was in Manila attending the opening of the Association of Southeast Asian Nations-plus-three Summit Meeting, which is part of the Third ASEAN Informal Summit.

RR/PB 

Former Filipino comfort woman (sex slave) Amonita Balajadia, 72, shouts anti-government slogans during a protest outside the Philippine International Convention Centre (PICC) where the 3rd Informal Association of Southeast Asian Nations (ASEAN) is being held in Manila November 28. The group is wearing black shirts to signify their grief since they became wartime military victims of rape and sexual slavery by the Japanese Imperial Army during World War II. Japanese Prime Minister Obuchi was in Manila attending the opening of the Association of Southeast Asian Nations-plus-three Summit Meeting, which is part of the Third ASEAN Informal Summit.

RR/PB 

Lee Yong-soo, 71, a former "comfort woman" who was forced into sexual slavery for Japanese soldiers during World War II, shouts anti-Japanese slogans during a rally in front of the Japanese Embassy in Seoul, October 20. About one hundred protesters voiced their strong opposition to a possible visit by Japanese Emperor Akihito to South Korea in the new millennium, before receiving compensation and a formal apology from the Japanese government. The sign reads "Compensate the victims before they die.

YUN/PB/HB 

Lee Yong-soo, 71, a former "comfort woman" who was forced into sexual slavery for Japanese soldiers during World War II, shouts anti-Japanese slogans during a rally in front of the Japanese Embassy in Seoul on October 20. About one hundred protesters voiced their strong opposition to a possible visit by Japanese Emperor Akihito to South Korea in the new millennium, before receiving compensation and a formal apology from the Japanese government. The sign reads "Compensate the victims before they die.

YUN/PB