Zhang Daqian (1899-1983), a native of Neijiang, Sichuan, is a legendary master of traditional Chinese painting and calligraphy. He is a master of painting, calligraphy, seal cutting, and poetry. The western art circle praised it as "the pen of the east". Seal: Zhang Yanzhiyin, Daqian. This ink-and-wash landscape painting uses the amount of clear water to draw thick ink, light ink, dry ink, wet ink, burnt ink, etc., and draw different shades.