Nice work, Paulo.
I'm curious about the exposure settings and if you used any filters.
Thanks everyone. I also prefer #1, because it conveys more "darkness" and because it feels monochromatic.
As for the exposure settings:
#1 f4, 15 sec, ISO 800
#2 f2.8, 30 sec, ISO 1600
Shot on A7 with Tokina Firin 20 f2.