1. light and temperature: the west is often exposed to the sun in the afternoon and evening. Exposing pebbles to the sun will increase their surface temperature, make them feel hot, and accelerate their wear and aging. The light in the west of the courtyard is strong, and pebbles are placed in the shade.
2. Wind direction and wind force: There is often strong wind in the west of the courtyard, and pebbles will be blown away or rubbed against each other, thus damaging the surface. In this case, put pebbles in other parts of the yard.
3. Design of the courtyard: The overall design style and function of the courtyard will also affect the placement of pebbles. For example, the west of the courtyard is an area where flowers are planted or leisure furniture is placed, so pebbles will hinder the visual effect or use function of the courtyard and be placed elsewhere.