What's the meaning of the next sentence with clouds around it?

Miscellaneous Poems in the Mountains (Southern Dynasties Liang) See smoke in the mountains of Wu Jun, and see the sunset in the bamboo.

birds fly to the eaves and clouds come out of the window. 1. Intermountain: the place where mountains meet the sky.

2. Smoke: This refers to clouds.

3. glimpse (ku Ι): look through the gap.

4. eaves (yán): eaves. The place where the mountain meets the sky is filled with haze and clouds, and the afterglow of the sunset falls in the gap of the bamboo forest.

Birds are flying around the eaves happily, and white clouds are floating out of the window.