Bent birches prompt the speaker of the poem by that name to imagine

a form of escape from the pressures and constraints of everyday life. The bending of the birches symbolizes a bending or breaking away from conformity and societal norms. The speaker imagines himself swinging on the branches of the bent birches, experiencing a sense of freedom and release from the burdens of adulthood. This imagery serves as a metaphor for the desire to retreat into a simpler, more innocent state of being, where one can momentarily escape the complexities and responsibilities of the adult world. The bent birches prompt the speaker to envision a world where he can let go of his worries and immerse himself in the beauty and simplicity of nature.