On 27 September 2017, commissioned by Three North Protective Forest Bureau, the Agricultural Film and Television Center CCTV sent a team to make a documentary film for the 40 anniversary of kick off for the Three North Protective Forest construction. A special interview was given to the outstanding senior scientist, Prof JIANG Fengqi on three background, IAE, Changtu County Forestry Bureau and Zhujia Forest Farm. Research workers in IAE and the leader of Changtu Forest Bureau were accompanied with team. The work was done within one day.