A crash of symbols.
D000818:Animals; D004616:Emblems and Insignia; D006666:History of Medicine; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049690:History, Ancient; D049691:History, Medieval; D009229:Mythology; D012911:Snakes; D013561:Symbolism