travel关于商务英语旅行的PPT.ppt

travel关于商务英语旅行的PPT.ppt

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Therichculturalheritageallbeginswithitslocation70mileswestofKeyWest,Florida.ThestrategiclocationoftheDryTortugasbroughtalargenumberofvesselsthroughitssurroundingwaters.Earlyon,theshippingchannelwasusedamongSpanishexplorersandmerchantstravelingalongtheGulfCoast.allyPortentranceintoFortJeffersononGardenKeyLindaFriar,NationalParkServiceFortJeffersononGardenKeyFortJefferson,thelargestall-masonryfortintheUnitedStates,wasbuiltbetween1846and1875toprotectthenationsgatewaytotheGulfofMexicoHarborLightatFortJeffersonNationalParkService,JohnDenglerFortJeffersonandaHarborLightAlargemilitaryfortress,FortJefferson,wasconstructedinthemid-19thcenturyasaneffortfortheUnitedStatestoprotecttheextremelylucrativeshippingchannelDryTortugasisonlyaccessiblebyboatorseaplane.