What image does Keats use to describe beauty in the last lines of the poem?

In the last lines of the poem “A Thing of Beauty,” Keats uses the image of a “grandeur” or a “bower quiet for us” to describe beauty. This imagery evokes a peaceful, sheltered place that offers comfort and refuge. The “bower” symbolizes a tranquil retreat, a place where the soul can find rest and solace amidst the struggles of life. Keats suggests that beauty, like this bower, provides a lasting source of joy and peace, offering emotional and spiritual nourishment that helps us endure life’s difficulties.

This question related to Poem 3 English Flamingo Class 12th NCERT.
From the Poem 3. A Thing of Beauty.
Give answer according to your understanding.