Thanks, Akira and Arthur.
The last one is your typical seemingly-ordinary-but-intriguing image methinks. I like the play of the green and orange colors in the orange-ish light from the rising sun.
Exactly what I think when I see this kind of subject - random, chaotic, disordered, imperfect but somehow beautiful, or at least interesting.
Arthur - #1,2 and 5 - D600 and 18-35mm AFS; all others D600 plus 70-200/f4.