Wow, I'm really on a roll with participation these days. I don't really usually participate that much, wonder why I have been adding clipart along with the theme these days. Guess it's just my mood. Anyway, a nice skull was too attractive to not include and share with everyone. enjoy
基本頭骨
anatomy、daily、dailysketch、death、head、skeleton、sketch、skull、warning
解剖學、日常、dailysketch、死亡、頭、骨架、草圖、頭骨、警告
資料來源：openclipart ( https://openclipart.org/ )