Just my tuppence worth, I'd crop to a panoramic format to remove part of the grey part of the sky and some foreground then do the opposite of what others are suggesting; actually darken to foreground to make it more of a silhouette. For me, this approach would clearly identify the sunset as the feature of interest. 15-second edit in Preview attached to give an idea of what I mean.How could I improve this photo, don't be bashful, I have thick skin. Thanks.
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