Burj Dubai December 29th photo update

Burj Dubai December 29th photo update, with a rough spire construction schedule.

Here is the spire schedule using the revised schedule from July '07.

- Beginning of steel construction - first week of November - Start of Tier 16 - 585.7 Meters
- Second week of December - Level 160 - Second level of Tier 17 - 611.3 Meters
- Second week of March '08 - Roof 1 - Start of Tier 19 - 643.3
- Second week of April - Roof 2 - Start of Tier 20 - 662.5
- First week of May - Roof 3 - Start of Tier 21 - 681.7
- Fourth week of May - Roof 4/ Spire 1 - Start of Tier 22 - 700.9
- Third week of June - Spire 2 - Start of Tier 23 - 720.1
- Second week of July - Spire 3 - Start of Tier 24 - 739.3 - Beginning of Spire Lifting
- Second week of August - Height begins to increase again
- Third week of September - Final height - 819.0