What does it mean to wash mountains and rivers with ink and bring clouds and fragrance through the ages with a pen?

Use pictures to describe the ancient and modern scenery and elegance of the motherland. On April 7, 2022, the preschool education college of Wuhan City Vocational College launched a calligraphy contest with the theme of "Wash mountains and rivers with ink and wash clouds with fragrance". It means painting to describe the ancient and modern scenery and elegance of the motherland.