The whole series is great but # 3/4 really are top notch. #3 the color tones really do it. I like how in 4 you focused on the foreground instead of the sky with the nice warm tones as well.
"Let us declare nature to be legitimate. All plants should be declared legal, and all animals for that matter. The notion of illegal plants and animals is obnoxious and ridiculous."- T. McKenna