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 publication|publication occurred prior to January 1, 1923. See http://copyright.cornell.edu/resources/publicdomain.cfm 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 for US works, such as Canada, mainland China (not Hong Kong nor Macao), Germany, Mexico, and Switzerland.