warning sign, 警示標誌

An unknown crafty person has added a reindeer and Santa on a sled warning signs to an existing animal warning sign in Solignen, Germany, Dec. 22, 2015. (Imago via ZUMA Press)
Photos of the day - December 22, 2015
http://news.yahoo.com/photos/photos-of-the-day-december-22-2015-1450798367-slideshow/photos-of-the-day-december-22-2015-photo-1450808868084.html