《汉书·志·郊祀志上》
封襻的祠裹，夜襄好像有光芒，白天有白云从封土中升起。
封禅祠，其夜若有光，昼有白云出封中。
Inside the temple of Feng Bo, a light seemed to shine at night and white clouds rose up from the grave soil during the day.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 封禅祠，其夜若有光，昼有白云出封中。 [/INST] Inside the temple of Feng Bo, a light seemed to shine at night and white clouds rose up from the grave soil during the day.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 封禅祠，其夜若有光，昼有白云出封中。
user
Inside the temple of Feng Bo, a light seemed to shine at night and white clouds rose up from the grave soil during the day.
assistant