Cortina d'Ampezzo Olympic Snow Stadium in Italy during the 1956 Winter Olympics. Author unknown. Photo found on: <a rel="nofollow" class="external free" href="http://www.la84foundation.org/6oic/OfficialReports/1956/orw1956.pdf">http://www.la84foundation.org/6oic/OfficialReports/1956/orw1956.pdf</a> Per below, Italian copyright expired in the 1970s, therefore not copyrighted in the US
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="http://library.la84.org/6oic/OfficialReports/1956/orw1956.pdf">http://library.la84.org/6oic/OfficialReports/1956/orw1956.pdf</a>