f/3.5, ISO-1600, 1/30sec.
Brighter, more natural look.

f/5.6, ISO-800, 1/50sec. Much darker, moodier.

f/3.5, ISO-320, 1/50sec.
Crisp detail.  Neutral emotion.

f/3.5, ISO-320, 1/400sec.
Darkened dramatically using only shorter exposure time.
Evokes a much darker, mysterious mood.

f/5.6, ISO-160, 1/400sec.
Whiter sun, crisper detail, no blur. Cooler tone.

f/22, ISO-160, 1/30sec.
Much warmer tone, yellow-balanced light, softer details, blurrier motion.