Upload & Sell: On
Of course, you are working with a pano stitch of multiple image, so you might want to take a look at them individually prior to stitching them, but ...
First I tried to adjust the WB to remove some of the haze. I chose a dark shadow area of the mountain and adjusted the middle gray dropper in levels from there. From there it is an iterative process of color balance adjustments and masks. Also, some iterative sharpening and contrast work in the mountains.
I tried several different things along the way, so it's hard to give a "do this, do that" ... but I did start with WB efforts, then contrast & sharpening efforts ... all with "brushed" masks to try and localize the efforts. It was mostly a "try this" and see what goes right vs. wrong, then step back and try again till I saw something the way I wanted it. Then, it was do that part (ignoring how badly it made the rest look) and mask the rest ... very piecemeal.