Actually finished this maybe 2 weeks ago and am disappointed. It looks OK, but not compared to the tutorial I followed, where it was far easier to tell that those are clouds there. For some reason, these ended up looking very grey and lacking the near-photorealism of those in the reference video I watched. Given it's my 2nd charcoal drawing ever, though, that might just be a sign I don't know the medium well.
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From @trickstergod