Sawang Ulo, a young Kayan of the Upper Mahakam, Central Borneo. On his right arm scars of burns caused by burning pieces of resin on the skin to prove his endurance of pain. <a href="https://nl.wikipedia.org/wiki/Borneo-expeditie_1893-1894" class="extiw" title="nl:Borneo-expeditie 1893-1894">Borneo expedition to Central-Borneo</a> led by Dr. <a href="https://en.wikipedia.org/wiki/Anton_Willem_Nieuwenhuis" class="extiw" title="w:Anton Willem Nieuwenhuis">A.W. Nieuwenhuis</a>
<div class="fn value">
Demmeni, J. (Demmeni, Jean, 1866-1939)</div>
between 1898 and 1900 <div style="display: none;">date QS:P571,+1500-00-00T00:00:00Z/6,P1319,+1898-00-00T00:00:00Z/9,P1326,+1900-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://hdl.handle.net/1887.1/item:761316">Leiden University Library, KITLV, image 25682</a> <a rel="nofollow" class="external text" href="https://digitalcollections.universiteitleiden.nl/imagecollection-kitlv">Collection page Southeast Asian &amp; Caribbean Images (KITLV)</a>