Narrow Gauge Railway Museum in Wenecja, Poland. Locomotive B1n2t Class, built by O&amp;K, 1899, No.531, formerly used by Nakło sugar works
<a href="//commons.wikimedia.org/wiki/User:Wistula" title="User:Wistula">Wistula</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>