<prompt> Fingqa isihloko: Umtshali-zimali wezakhiwo waseMelika iBlackstone Group ngoMsombuluko wathi ithenga iWillis Tower enezitezi ezingu-110 eChicago, isakhiwo sesibili esiphakeme kunazo zonke e-United States. IBlackstone ayizange inikeze intengo yokuthengwa kwabanikazi bamanje, i233 South Wacker LLC, kodwa imibiko ehlukahlukene yabezindaba yase-U.S. ibeka isivumelwano ku-1.3billion. Yaziwa isikhathi esiningi sokuba khona kwayo ngokuthi iSears Tower, isakhiwo esingamamitha angu-1 451 sasiyisakhiwo esiphakeme kunazo zonke emhlabeni isikhathi esingangekota yekhulu leminyaka ngemva kokuphothulwa kwaso ngo-1973. IBlackstone Group imemezele ngoMsombuluko ukuthi ithenga iSears Tower yaseChicago phakathi, ngokusho kwemibiko ngamaRandi ayizigidi eziyizinkulungwane ezingu-1.3. I-Skydeck yesakhiwo esisesitezi se-103 iyindawo eheha izivakashi evumela abantu ukuba babheke eChicago bevela kuzo zonke izinkomba. Namuhla isendaweni yeshumi, ngokusho kweThe Skyscraper Center. Isihloko sesakhiwo esiphakeme kunazo zonke e - United States sathathwa yi - One World Trade Center eNew York, eyaqedwa ukwakhiwa eminyakeni emibili edlule. Izingqimba zengilazi eziseSkydeck zisakazeka phezu kwesakhiwo. Bangaphezu kwesigidi nesigamu abantu abavakashela le ndawo evakashela izivakashi minyaka yonke. I-Skydeck yeWillis Tower, esitezi se-103, iyindawo ethandwa izivakashi. Inikeza izivakashi eziyizigidi ezingu-1,6 ngonyaka ngombono weChicago nendawo ezungezile kuhlanganise ne-Ledge, izingqimba zengilazi eziphuma esakhiweni. UJacob Werner, umqondisi ophethe eqenjini lezakhiwo zeBlackstone, esitatimendeni esikhishwe ngoMsombuluko uthe iBlackstone ibona amandla amakhulu okuthuthukisa imisebenzi yokuthengisa yesakhiwo kanye nokuhlangenwe nakho kwezivakashi kwenye yezindawo ezithandwa kakhulu izivakashi zaseChicago. Sijabule kakhulu ngokuthola lesi sakhiwo esiyingqopha-mlando egameni labangane bethu abanomkhawulo, kunezela uWerner. Sibheke phambili eChicago njengoba izinkampani zanda ngaphakathi futhi zithuthela edolobheni futhi zifuna izindawo zamahhovisi ezisezingeni eliphakeme. Imizamo yokwakha lo mbhoshongo yaqala ngo-1970 futhi yaqedwa ngo-1973, ngokusho kwewebhusayithi yombhoshongo. I-Skydeck yavulwa ngokusemthethweni emphakathini ngo-1974 futhi yalungiswa ngemali eyizigidi zamaRandi ngo-2000. Umbhoshongo waw...  <response>: IBlackstone Group ithe ngoMsombuluko ithenga isakhiwo esinezitezi eziyi-110. Ngaphambili eyaziwa ngokuthi iSears Tower, lesi sakhiwo singeseshumi esiphakeme kunazo zonke emhlabeni. Yaqanjwa kabusha ngokuthi iWillis Tower ngo-2009 ngemuva kokuthi iWillis North America, inkampani yabathengisi bomshuwalense eyisiqashi esisembhoshongweni, ithenge amalungelo okuqamba amagama. Ukuthengwa kwengeze indawo engamamitha-skwele ayizigidi ezingu-3,8 esikhwameni esikhulu sokutshalwa kwezimali seBlackstone esiseNew York. 