Crossbuck of China: 小心火车 - "Watch out for trains".
<a href="//commons.wikimedia.org/wiki/User:Ericmetro" title="User:Ericmetro">Ericmetro</a>
<span class="int-own-work" lang="en">Own work</span>, source: <a class="external autonumber" href="https://commons.wikimedia.org/wiki/File:Longtan,_Jilin,_China_-_panoramio_(116).jpg">[1]</a>.