施昕更同董作宾在棋盘坟遗址
Unknown photographer
circa 1937 <div style="display: none;">date QS:P,+1937-00-00T00:00:00Z/9,P1480,Q5727902</div> <sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup>
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