12-20-2023, 12:53 PM
"To whistle is not a natural act, but it is a universal phenomenon in human societies. In ancient China, whistling was especially significant because of its
magical and religious functions."
https://commons.ln.edu.hk/cgi/viewconten...=ljcs_1999
magical and religious functions."
https://commons.ln.edu.hk/cgi/viewconten...=ljcs_1999