oftheNorthofEngland,andthefourth,theNormans,leftcastlesandintroducednewwordsforfood.IfyoulookaroundtheBritishcountrysideyouwillfindevidenceofalltheseinvaders.YoumustkeepyoureyesopenifyouaregoingtomakeyourtriptotheUnitedKingdomenjoyableandworthwhile.SIGHTSEEINGINLONDONWorriedaboutthetimeavailable,ZhangPingyuhadmadealistofthesitesshewantedtoseeinLondon.HerfirstdelightwasgoingtotheTower.ItwasbuiltlongagobytheNormaninvadersofAD1066.Fancy!Thissolidstone,squaretowerhadremainedstandingforonethousandyears.Althoughthebuildingshadexpandedaroundit,itremainedpartofaroyalpalaceandprisoncombined.Tohergreatsurprise,ZhangPingyufoundtheQueen’sjewelsguardedbyspecialroyalsoldierswho,onspecialoccasions,stillworethefour-hundred-year-olduniformofthetimeofQueenElizabethI.TherefollowedStPaul’sCathedralbuiltaftertheterriblefireofLondonin1666.Itlookedsplendidwhenfirstbuilt!WestminsterAbbey,too,wasveryinteresting.Itcontainedstatuesinmemoryofdeadpoetsandwriters,suchasShakespeare.Thenjustasshecameoutoftheabbey,Pingyuheardthefamoussoundoftheclock,BigBen,ringingoutthehour.ShefinishedthedaybylookingattheoutsideofBuckinghamPalace,theQueen’shouseinLondon.Oh,shehadsomushtotellherfriends!TheseconddaythegirlvisitedGreenwichandsawitsoldshipsandfamousclockthatsetstheworldtime.Whatinterestedhermostwasthelongitudeline.Itisanimaginarylinedividingtheeasternandwesternhalvesoftheworldandisveryusefulfornavigation.ItpassesthroughGreenwich,soPingyuhadaphototakenstandingoneithersideoftheline.ThelastdayshevisitedkarlMarx’sstatueinHighgateCemetery.ItseemedstrangethatthemanwhohaddevelopedcommunismshouldhavelivedanddiedinLondon.Notonlythat,buthehadworkedinthefamousreadingroomoftheLibraryoftheBritishMuseum.Sadlythelibraryhadmovedfromitsoriginalplaceintoanotherbuildingandtheoldreadingroomwasgone.Butshewasthrilledbysomanywonderfultreasuresfromdifferentculturesdisplayedinthemuseum.WhenshesawmanyvisitorsenjoyinglookingatthebeautifuloldChinesepotsandotherobjectsonshow,shefeltveryproudofhercountry.ThenextdayPingyuwasleavingL