Interesting how subject to change we are. Wonder about intelligence. East Asians perform better on IQ tests than Europeans and Africans.
Finns and Jews are not Chinese.
Note, the 35,000 year period was part of an interstadial in the glacial period so it wasn't exactly hot and sweaty! looking forward from that time to 24,000 years ago at the glacial maximum, that meant the Chinese weren't even living in China for most of that period.
The current theory is that the people who became Europeans and Chinese separated 35,000 years ago somewhere in central Asia.
The thicker hair event occurred in the last place all the Chinese, Japanese, Thai, American Indians and others lived in the same place ~ which is in Siberia not far from Lake Baikal ~ but even then the Chinese didn't live in China.