At the edge of Xizhou Town in Yunnan Province, a freestanding white wall stands between a historic giant banyan tree and the vast ten-thousand-mu paddy fields. This is the Ruijie Wutai Screen Wall, a classic example of Bai ethnic zhaobi architecture. Its name translates to "auspiciously connecting Wutai Peak," referencing one of the nineteen summits of the Cangshan Mountain range. Builders aligned the structure with this peak to draw the mountain's energy down into the valley.

The wall is built from local timber, brick, and stone, coated in a smooth white lime plaster. In the high-altitude Dali basin, this plaster acts as a mirror, catching the intense mountain sun and scattering a soft, gentle glow onto the dirt pathways. For the Bai people, a home is incomplete without such beauty. Families historically saved for years, sacrificing daily comforts to build their traditional "three rooms and a screen wall" residences.

This structure serves practical and spiritual purposes. It blocks cold mountain drafts and shields the household from the gaze of passersby. According to local folklore, it also deters wandering spirits, who flee in terror upon seeing their own reflections in the white plaster. On the front, artisans carved decorative moldings and brackets around a calligraphic inscription of the wall's name. The reverse side faces the open fields, where the green of spring wheat yields to the gold of autumn rice.

Today, the wall is protected as part of the Xizhou Bai Traditional Architecture Group, a National Key Cultural Relics Protection Unit. It has found a new life in modern culture. After appearing in the television drama "Meet Yourself", the quiet rural road beside the wall became a gathering place. Visitors now stand where actors stood, drinking espresso from mobile coffee carts under the shade of the banyan tree, while the wind rustles through the crops. The screen wall remains a quiet observer, bridging the ancient mountain peak with the fleeting moments of modern travelers.