| Name | Name:Tuntex Sky Tower | Name:Willis Tower (Formerly Sears Tower) | 
| Height | Height:378 m, (1,240 ft) | Height:442 m, (1,450 ft) | 
| Location | Location:Kaohsiung, Taiwan | Location:Chicago, United States | 
| Year Constructed | Year Constructed:1997 | Year Constructed:1973 | 
| Description | Description: | Description: | 
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