This sentence is actually reasonable, because a good mood can relax us, but actually reading poems describing mountains and rivers can calm us down, because we can think of not only the scenes described by the poet, but also some scenes we have seen.
Secondly, landscape poets not only express their feelings for landscapes, but also bring us beautiful feelings and enjoyment. Since studying the landscape poems of ancient poets, we seem to see the vast waters of Qian Shan in our motherland, because we can create a landscape world that belongs to us completely with the words in the book and the description of the poets.