Lines, shapes, solids, colors, forms and systems that create a work of abstract art constitute them as an autonomous, separate reality.
Abstraction therefore includes those works of art that do not represent nature and show no similarity to it.
Monomad photography challenge hosted by 
@brumest.
@brumest.I vote for them:
@TheRealWolf
@roelandp
@blocktrades@TeamSteem
@blockbrothers
@qurator