This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first
this page for further explanation.
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the
rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See
Wikipedia:Public domain and
Wikipedia:Copyrights for more details.