AboutSanFranciscoSanFranciscoislocatedinthewesternUnitedStates,apopulationofabout800,000,anareaofabout120squarekilometers.SanFranciscoisamodernindustrializedcity,thetrafficisveryconvenient.SanFrancisco’strafficHighways:SeveralinterstatehighwaysprovideeasyaccesstothecityAirports:SanFranciscoInternationalAirport,oneofthenation'sbusiest,handlesmostdomesticandinternationalflightstoandfromthecity.Itservicesflightsfromabout50majorcarriers.Ship,Bus,RailroadThemildclimateSanFranciscohasamildclimate,theaveragetemperatureisaround20℃,inthewinteryoucanwearunlinedgarmentaround.Duetothewind,gooutwithapieceofclothingwillbeOK.Inadditiontothewinterhere,normallydoesnotrain,atnightwillformthedensefogandthemorningtheywillalldisappearSanFrancisco----ThefogcitySanFranciscoisoftencalled"Thefogcity",anditdoesn'tcomebychance.Evenonawarm,sunnyorsummerday,theweatheroftenchangesataround4p.m.,itgetsfoggy,windyandprettycoldTheGoldenGateBridgeThebridgehasalwaysbeenpaintedthecolorcalled"InternationalOrange." Thecolorwaschosenbecauseitwentwellwiththenaturalsurroundings. Italsoiseasiertoseeintheheavyfogthatoftencoversthearea.ButtheGoldenGateBridgewasnotnamedforitsorangecolor.Itwasnamedforthebodyofwaterthatitcrosses,theGoldenGateStrait. TheGoldenGateStraitistheentrancetotheSanFranciscoBayfromthePacificOcean. TheGoldenGateBridgelinksthecityofSanFranciscowithMarinCounty,California.TheWorldFamousCableCarVisitingSanFrancisco?Andyoucan'tmissit.Single-endedcars,haveanopen-sidedfrontsection,withoutward-facingseatsflankingthegripmanandhiscollectionofleversthatactuatethegripandvariousbrakes.Therearhalfofthecarisenclosed,withseatsfacinginwardandentrancesateachendandthecarhasasmallplatformattherear.Theyhaveapassengercapacityof60,29ofthemseated.Double-endedcarsservetheCaliforniaStreetline.Thesecarsaresomewhatlonger,havingopen-sidedgripsectionsatbothendsandanenclosedsectioninthemiddle.Theycanhold68passengers,34ofthemsea.Justtryandyouwillhavefan!Fisherman’swharfThankyou!