CHINA-JAPAN-UNESCO-HISTORY-NANJING(01 of15)
Open Image ModalVisitors look at photos on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
China Nanking Remembrance(02 of15)
Open Image ModalChinese honor guard members march past the words \"Victims 300000\" during a ceremony to mark China\'s first National Memorial Day at the Nanjing Massacre Memorial Hall in Nanjing in eastern China\'s Jiangsu province Saturday, Dec. 13, 2014. Vowing to nourish peace and ease hatreds, President Xi Jinping and other Chinese leaders presided Saturday at a ceremony on the 77th anniversary of the Nanking massacre amid a drive to preserve memories of Japanâs brutal invasion and stir patriotism. Estimates of those killed range from 40,000 to the official Chinese figure of 300,000. About 20,000 women were also believed to have been raped over the six weeks of chaos, mass looting and arson. (AP Photo/Ng Han Guan) (credit:ASSOCIATED PRESS)
China Japan Nanjing Massacre(03 of15)
Open Image ModalA Chinese paramilitary policeman stands on duty outside the Nanjing Massacre Memorial Hall which is sealed off ahead of a ceremony to hold China\'s first National Memorial day in Nanjing, in eastern China\'s Jiangsu province on Friday, Dec. 12, 2014. China will set the new commemoration day on Saturday to mark the 1937 massacre of civilians by Japanese forces in Nanjing. The commemoration day was created as part of Beijing\'s campaign to remind the world of past Japanese aggression because of what it calls renewed militarism by the country. (AP Photo/Ng Han Guan) (credit:ASSOCIATED PRESS)
China Japan Nanjing Massacre(04 of15)
Open Image ModalA security person stands guard near sculpture depicting victims at the Nanjing Massacre Memorial Hall which is sealed off ahead of a ceremony to hold China\'s first National Memorial day in Nanjing, in eastern China\'s Jiangsu province on Friday, Dec. 12, 2014. China will set the new commemoration day on Saturday to mark the 1937 massacre of civilians by Japanese forces in Nanjing. The commemoration day was created as part of Beijing\'s campaign to remind the world of past Japanese aggression because of what it calls renewed militarism by the country.(AP Photo/Ng Han Guan) (credit:ASSOCIATED PRESS)
Japan Sex Slaves(05 of15)
Open Image ModalA small group of right-wing protesters hold a banner during a rally against South Korea and China in Osaka, western Japan, Friday, May 24, 2013. Two Korean former sex slaves canceled a planned meeting Friday with outspoken Osaka mayor Toru Hashimoto who caused an uproar by justifying Japan\'s wartime practice of forcing tens of thousands of Asian women into prostitution for its military. The banner reads: \"Korea\'s big lie, Sex Slaves and China\'s big lie, (top), Nanjing massacre, (bottom).\" (AP Photo/Koji Sasahara) (credit:ASSOCIATED PRESS)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(06 of15)
Open Image ModalVisiting schoolchildren look at photos on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(07 of15)
Open Image ModalVisitors look at photos on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(08 of15)
Open Image ModalVisitors look at photos and documents on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(09 of15)
Open Image ModalVisitors look at the exhibitions on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(10 of15)
Open Image ModalVisitors look at photos of survivors on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(11 of15)
Open Image ModalPeople visit the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(12 of15)
Open Image ModalVisitors look at photos and documents on display at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
CHINA-JAPAN-UNESCO-HISTORY-NANJING(13 of15)
Open Image ModalVisitors gather at the Nanjing Massacre Memorial Hall in Nanjing on October 10, 2015. Japan on October 10 lashed out at UNESCO\'s decision to inscribe documents related to the Nanjing massacre in its Memory of the World register, describing it as \'extremely regrettable\' and calling for the process to be reformed. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
Documents On The Rape Of Nanking Has Been Listed In The Memory Of The World Programme(14 of15)
Open Image ModalNANJING, CHINA - SEPTEMBER 17: (CHINA OUT) People visit the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders on September 17, 2015 in Nanjing, Jiangsu Province of China. News from the United Nations Educational, Scientific and Cultural Organization (UNESCO) on October 7 that the Documents on the Rape of Nanking has been recorded into the list of the Memory of the World Programme. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images) (credit:ChinaFotoPress via Getty Images)
People Visit Memorial Hall Of Victims In Nanjing Massacre On 7th Of July(15 of15)
Open Image ModalNANJING, CHINA - JULY 07: (CHINA OUT) A sculpture stands in the Memorial Hall of the Nanjing Massacre to mourn the victims killed by the Japanese on July 7, 2015 in Nanjing, Jiangsu Province of China. Japan bombed the Wanping Fortress on July 7, 1937 which marked the beginning of Japan\'s full-scale invasion of China, as well as the beginning of China\'s Resistance war against Japanese aggression. Tuesday marks the 78th anniversary of the beginning of China\'s eight-year war of resistance against Japan. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images) (credit:ChinaFotoPress via Getty Images)