Xiangyun calligraphy

In Rizhao quadrangle, auspicious clouds rise, and the moon reflects the auspicious atmosphere of Huatang, which means that the sun shines on a auspicious cloud in the yard and the moonlight reflects the auspicious atmosphere in front of the main hall of the house. According to relevant information, it is a famous couplet, which often appears in calligraphy works.