| Name | Name:Zifeng Tower | Name:Abraj Al Bait Towers | 
| Height | Height:450 m, (1,476 ft) | Height:601 m, (1,972 ft) | 
| Location | Location:Nanjing, China | Location:Mecca, Saudi Arabia | 
| Year Constructed | Year Constructed:2010 | Year Constructed:2011 | 
| Description | Description: | Description:A very tall Clock building . In 2013 it was the tallest Clock building in the world. | 
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