What are the "three beauties" advocated by the Crescent Poetry School?

Wen Yiduo's "Three Beauties" of Poetry and Its Contribution to the Theory of New Poetry. The theory of "three beauties" advocates that poetry creation should have architectural beauty, musical beauty and painting beauty. It was put forward in view of the scattered form of new poetry at that time. This proposition laid the theoretical foundation of the new metrical school and made some contributions to the development of new poetry.