In the sentence 1, the writing of _ _ _ is used to highlight the beauty of Zhalantun. The scenery described in the fourth paragraph is _ _ _, which highlights the beauty of the scenery.

The scenery described in the fourth paragraph is buckwheat, sorghum and hut, which highlights the quiet and ordinary beauty of the scenery.

Zalantun is unique in that it has extraordinary beauty in the ordinary, and the unique scenery and natural mountains and plants depict unique beauty.