Photo taken on June 16, 2019 shows Zhong Yilong (R), a 91-year-old retired cadre, walking out of his home with the support of his daughter-in-law at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down. (Photos: Xinhua)

Photo taken on June 16, 2019 shows the notebooks of Zhong Yilong, a 91-year-old retired cadre, at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Zhong Yilong, a 91-year-old retired cadre, arranges his notebooks at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Photo taken on June 16, 2019 shows Zhong Yilong, a 91-year-old retired cadre, reading his notebook at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Photo taken on June 16, 2019 shows Zhong Yilong, a 91-year-old retired cadre, washing his hands at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Zhong Yilong (C), a 91-year-old retired cadre, walks with the support of his family at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Tu Chengxiu, wife of 91-year-old retired cadre Zhong Yilong, cleans the display board at her home in the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Zhong Yilong, a 91-year-old retired cadre, introduces the history of Songmaoling battle in front of the unknown martyr tomb at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Photo taken on June 16, 2019 shows Zhong Yilong, a 91-year-old retired cadre, sitting at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Zhong Yilong (1st R), a 91-year-old retired cadre, tells the story of collecting names of martyrs at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Photo taken on June 16, 2019 shows Zhong Yilong, a 91-year-old retired cadre, and his wife standing at their home in the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Photo taken on June 16, 2019 shows the tomb of unknown martyrs at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. Zhong, a 91-year-old retired cadre, also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.

Zhong Yilong, a 91-year-old retired cadre, introduces history of Songmaoling battle at the exhibition he held at the Changketou Village of Nanshan Town in Changting County, southeast China's Fujian Province, June 16, 2019. Since 1953, Zhong Yilong collected the names of martyrs who participated in revolution from 1928 to 1934. He also set up an exhibition regarding the Red Army at his ancestral house several years ago to pass the history down.