StonehengeisBritain’sgreatestnotionalicon.Itsymbolizesmysteryandpower.Today,peoplestilldoesn’tknowhowthiscomesfrom.Somepeopleguessedthatitwasatemplemadetoworshiptheancientearthdeities.Therealsoaresomepeoplebelievedthatitwasasacredsitefortheburialofhigh-rankingcitizensfromthesocietiesoflongtimeago.“Archaeologiststhinkthatthestandingstoneswereerectedaround3200BCandthesurroundingcircularearthbankandditch,whichconstitutetheearliestphaseofthemonument,havebeendatedtoabout3100BC.”(Wikipedia,Stonehege,paragraph1)Thestoneshavefallenorbeenremovedbyroadrepair.Thestonesstoodandformacircle.TheStonehengeusedalotoftime,requiringcommitmentandvastamountsofmanuallabor.Itconstructedapproximatelyfivethousandsyearsago. 　　Nearly300mileslong,upto18milesacrossandastomach-dropping4000verticalfeetdown,the8thnewwonder:themajesticGrandCanyon. 　　Gazingonitsglory,PresidentTheodoreRooseveltcalledtheGrandCanyon"anaturalwonder…absolutelyunparalleledthroughouttherestoftheworld." 　　HeurgedAmericanstopreservewhathedescribedasthe"wonderfulgrandeur,thesublimity,thegreatlonelinessandbeautyofthecanyon." 　　Morethanahundredyearslater,it'sstilleasytoseewhysomanyofthe5millionannualvisitorscalltheGrandCanyonawonder. 　　“Allyoucanpickupwhenyouarelookingatthisis… 　　“Thankyou,God.” 　　“It’sanawesomething.” 　　“Wow…” 　　“Therewasamagic,anditistheworld,boy.” 　　Thecanyonstretchesasfarastheeyecanseeanditalsoreachesbackintime. 　　Some5or6millionyearsago,theColoradoRiverragedthroughthisland,carvingoutthemassivecanyonweseetoday,exposingevenolderlayersofrockpreviouslyburied.Geologistssaysomeare2,000millionyearsold. 　　NativeAmericanswerethefirstpeopletomaketheserockywallstheirhomeabout12,000yearsago. 　　TodaytheHualapiandHavasupaiIndiansresidedeepinthecanyon,balancingage-oldtraditionswithmodernity.Therearenoroadstothisvillage;mulescarrythemailhere. 　　Butatthesametime,thetribesareengineeringagravity-defyingskywalkthatpromisesanunprecedentedviewoverthecanyonearlynextyear. 　　Thebaldeagle,anotherlongtimeresidentoftheGrandCanyon,andappropriatelywildandmajesticsettingforthisendangeredAmericanicon. 　　AtthebottomofthecanyonwindstheColoradoRiver,boastingsomeofthemostintensebigwaterraftingintheworld. 　　CarvedintoacorneroftheArizonaplains,thegreatroaringriver,toweringrockformationsandbreathtakingvastnessoftheGrandCanyonserveasamonumenttotheboldandenduringspiritofAmerica. 　　“Thereisnoplacelikeit.” 　　“(TheGrandCanyonis…)oneofGod’sgreatestcreations,Ithink