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The puzzle text is a Caesar cipher with a fixed shift of –7 (letters moved back seven places in the alphabet) but with a few small, random ±1 letter errors. It's as if the author combined the Caesar cipher and Learning With Errors (LWE) (as a joke).
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Investigation continues.
The most probable coordinates of the photo from the first version of the riddle page are the following:
31.01320862334222, 121.3099404432192
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Investigation continues.
An image search yielded some matches to Shanghai during the Republican period (1912-1949).
However, in the foreground of the photograph, a manhole cover is visible, with the date 1998 written on it. Could this be the year? If so, it's most likely a film studio set. It's still possible, however, that this is a Shanghai film studio.
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Investigation continues.
A search of the Internet Archive revealed that the page (and the riddle, by extension) existed in at least four versions. The first saved version is dated September 23, 2023, and features a different image and encrypted text. However, the cipher is the same: Caesar 7. The sepia-toned photograph shows a street with houses and lampposts typical of the first half of the 20th century. Chinese characters are recognizable on the sign.