Zhang Daqian (1899-1983), formerly known as Zhengquan, later renamed Yan, with the word Jiyan, and the name Daqian, a calligrapher from Neijiang, Sichuan. He is omnipotent in painting, calligraphy, seal cutting, and poetry, combined with painting style, craftsmanship and writing. It is praised as "Oriental Pen". Seal: Daqian Lay, Daqian, Zhang Yan's private seal. In this painting, there are beautiful mountains and green waters, with towering trees in the distance, lingering fog, and the pavilion nearby, sitting quietly in the pavilion, which is refreshing and happy.