Watercoloristheoldestpaintsknown.Itdatesbacktotheearlyc...
問題詳情：Watercoloristheoldestpaintsknown.Itdatesbacktotheearlycavemenwhodiscoveredtheycouldaddlifelikequalitiestodrawingsofanimalsandotherfiguresonthewallsofcavesbymixingthenaturalcolorsfoundintheeart...