We visited the Wu·Six Fire Memorial Hall in Da Hinggan Ling. On May 6, 1987, several forest farms belonging to the four forestry bureaus in Xilinji, Tuqiang, Almu and Tahe in Da Hinggan Ling area, Heilongjiang Province, caught fire, causing the worst forest fire since the founding of the People's Republic of China. More than two decades later, listening to the commentator's explanation, the fire still made us feel shocking. Although I looked at the heavy heart, this is a history that should not be forgotten.