Willis Tower

Willis Tower biþ nama þæs hēafodgebyldes þæs nīƿan bē Chicago. Þæt Willis Tower ƿæs ūtƿorpen of ǣghƿæþrum ge þǣm Americaniscan timborƿyrhtan Bruce Graham ge burhƿyrhtan Fazlur Khan and gebrǣded of þǣm Skidmore & Owings company.