Auspicious clouds rise when the sun shines on the courtyard, and auspicious aura rises when the moon reflects in the Huatang. This means that auspicious clouds rise when the sun shines on the courtyard, and auspicious aura rises when the moonlight reflects in the main hall of the house. According to relevant information: The sun shines on the courtyard and the auspicious clouds rise, and the moon reflects the auspiciousness of the Huatang. This is a famous couplet that often appears in calligraphy works.