<a href="https://en.wikipedia.org/wiki/Polar_Bear_(locomotive)" class="extiw" title="en:Polar Bear (locomotive)"><i>Polar Bear</i></a>, a <a href="https://en.wikipedia.org/wiki/W._G._Bagnall" class="extiw" title="en:W. G. Bagnall">W. G. Bagnall</a> 2-4-0 steam locomotive on the <a href="https://en.wikipedia.org/wiki/Amberley_Museum_Railway" class="extiw" title="en:Amberley Museum Railway">Amberley Museum Railway</a>. It was built in 1905 for the <a href="https://en.wikipedia.org/wiki/Groudle_Glen_Railway" class="extiw" title="en:Groudle Glen Railway">Groudle Glen Railway</a>, and remained in service until 1962. Between several overhauls and restorations, <i>Polar Bear</i> returned to service in the 1980s, the mid-1990s, 2005 and 2013–present.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/55426027@N03">Peter Trimming</a> from Croydon, England
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/peter-trimming/26299115571/">'Polar Bear' at Amberley</a>