英语翻译TheTowerofPlsawasbuilttobethemostbeautifulbelltowerinallofItaly.ItisthebelltowerforPoiaCathedral.However.notonlyisthemarbletowerbeautiful,itisperhapsthestrangesttowerintheworld.Itleanstoonesideand
英语翻译
TheTowerofPlsawasbuilttobethemostbeautifulbelltowerinallofItaly.ItisthebelltowerforPoiaCathedral.However.notonlyisthemarbletowerbeautiful,itisperhapsthestrangesttowerintheworld.Itleanstoonesideandlookslikeitisgoingtofallover.
ThebuildingofthetowerbeganinAugust1173andtooknearlytwohundredyearstocomplete.Nobodyiscertainwhodesignedthetower,butformanyyearsitwassaidthatBonannoPisanowasthearchitect.In1319,allthefloorswerefinishedandyearslater,workeventuallybeganonthebellchamberatthetop.Itwasofficiallyopenedafter200yearsofconstruction.Thetowerhaseightfloors.Itis54.5metrestallwith294stepsuptothebellchamber.Fromthetop,thereisaverybeautifulview.Italianscientist,Galileo,oncedidhisfamousexperimentsaboutgravityandfallingobjectsfromthetopofthetower.
Whydoesthetowerlean?Infact,itwasalreadyleaningwhiletheywerebuildingit.Assoonasthreefloorshadbeenbuilt,by1178,itbegantoleanasthegroundbeneathitsank.Thebuilderstriedtomakethetowerstraightagainastheyaddedmorefloors,buttheleanonlygotworseasthetowergrew.Itcontinuedtoleanbyabout1millimetreeveryyearuntilfinally,on7January1990,itwasclosedtothepublic.Fortenyears,therescueofthetowerwasaseriousproblem.Thetopwasleaningoverby5metrestothesouthandifitsmovementwasnotstopped,thetowerwouldonedayfallover,Measurementstakenin1911estimatedthatthetowerwouldcollapseby2050,ifnotsooner,After10yearsofhardwork,itwasofficiallyreopenedon16june2001.However,itwasnotopenedtothepublicintiltheendof2001andevennow,theumberofvisitorsisrestricted.Itisnowsafeforthenext300yearsbecauseengineershavereducedtheleanby50centimetrestogiveitthesameleanthatithadin1838.