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Thanks for the feedback, Douglas. Beige skies are due to the atmospherics and sand getting trapped in the lower atmosphere. It doesn't make for good photography!
I have applied some perspective control already. Completing it to stop all buildings leaning results in the upper portion of the Burj being so stretched at a pixel level that detail is completely lost.
Here's another view of the tower from a different PoV and roughtly the same distance, with full correction applied.