<a href="//commons.wikimedia.org/wiki/Poland" class="mw-redirect" title="Poland">Poland</a>, road sign C-18. Obligatory use snow-chains on wheels
<a href="//commons.wikimedia.org/wiki/User:Harry-C" title="User:Harry-C">Harry-C</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>