- IngreatBritain,Valentine'sDaybegantobepopularlycelebratedaroundtheseventeenthcentury.Lasersmaybepopularlyconsideredtheessenceofprecisionopticsandpurityofcolor.It'snot,aspopularlythought,thatTolstoyabandonedwritingfictionafterAnnaKarenina.Indianmong...
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