This is an important stop for the central leaders to visit and preach in Yan'an, and it is a must-check place for the vast masses to appreciate and learn the spirit of Yan'an. The great statues erected in the square, standing upright after the storm and rain, and in the memorial hall, a detailed article, statues, documents, all told the great city of Yan'an, the revolutionary footprints and glorious years spread by the ancient and eternal.