The document lists information about the tallest buildings in various cities around the world including their location, height in meters, number of floors, and year built or expected completion date. It shows that the tallest proposed building is in Shanghai at 1228 meters tall with 300 floors and planned for completion in 2020.

1. Location : Paris Height : 3 18 Meters Built : 1 887

2. Location : Dubai Height : 321 Meters Built : 1999

3. Location : Shanghai Height : 42 1 Meters 88 Floors Built : 1999

4. Location : Chicago Illinois Height : 443 Meters 110 Floors Built : 1973

5. Location : Kuala Lumpur Height : 452 Meters 88 floors Built : 1998

6. Location : Taipei Taiwan Height : 508 Meters 101 floors Built : 2004

7. Location : Shanghai Height : 492 Meters 101 floors To Be Completed : 2007

8. Location : Guangzhou, Shanghai Height : 514.8 Meters 131 Floors To Be Completed : 2010

9. Location : WTC M anhattan Height : 541 Meters 69 Floors To Be Completed : 2010

10. Location : Tokyo Japan Height : 600 Meters To Be Completed : 2007

11. Location : Dubai Height : 705 Meters 160 Floors To Be Completed : 2008

12. Location : Shanghai Height : 1228 Meters 300 Floors To Be Completed : 20 20