《新五代史·附录·四夷附录第二》
又走三四天，到达黑榆林，这时是七月，却像深冬一样寒冷。
又行三四日，至黑榆林，时七月，寒如深冬。
After walking for another three or four days, we reached Hei榆林, although this was July, it was as cold as midwinter.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 又行三四日，至黑榆林，时七月，寒如深冬。 [/INST] After walking for another three or four days, we reached Hei榆林, although this was July, it was as cold as midwinter.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 又行三四日，至黑榆林，时七月，寒如深冬。
user
After walking for another three or four days, we reached Hei榆林, although this was July, it was as cold as midwinter.
assistant