I saw the same distortion and there are two things causing this: the first is your horizon line is a touch off kilter clockwise. That fixes part of it but because of your lens distortion on the WA lens, it pushes the left part of the frame outward. I used a bit of distortion control to adjust for the slight lens aberration using the rightmost concrete pillar as a vertical fix point. Doing this gives the viewer a better sense of their own balance in the scene. A third issue and nothing to do with distortion is the image is just a touch out of focus. I wasn't sure until I brought it into PS.
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I did crop a bit as I too thought there was too much lead in but as with the suggestions, it is just another idea to be liked or discarded as you desire.