《徐霞客游记·楚游日记一》
有条溪水从东南面流来，于是溯溪而行，从雾气中望见溪东边的山上石头突兀，心里觉得那山很奇异。
有溪自东南来，遂溯之行，雾中望见其东山石突兀，心觉其异。
A stream flowed from the south-east so followed the watercourse upstream and saw the rocks protruding on the mountain to the east of the stream through the fog. Thinking that the mountain seemed strange.
<s>[INST] Kindly elucidate the central themes in this passage in English: 有溪自东南来，遂溯之行，雾中望见其东山石突兀，心觉其异。 [/INST] A stream flowed from the south-east so followed the watercourse upstream and saw the rocks protruding on the mountain to the east of the stream through the fog. Thinking that the mountain seemed strange.</s>
Kindly elucidate the central themes in this passage in English: 有溪自东南来，遂溯之行，雾中望见其东山石突兀，心觉其异。
user
A stream flowed from the south-east so followed the watercourse upstream and saw the rocks protruding on the mountain to the east of the stream through the fog. Thinking that the mountain seemed strange.
assistant