This photo demonstrates symmetrical balance because both sides are the same on a few lines. The down the middle horizontally and vertically and both diagonals. There is also no distinct shape or form, so it is non objective.
Symmetry - Definition, Types, Line of Symmetry in Geometry and Examples
PPT - Notan PowerPoint Presentation, free download - ID:2665796
Balancing Act - Types of Balance and Visual Rhythm
How to Use Form and Shape in Photography Composition
Page 11 Nonobjective Art Images - Free Download on Freepik
Non-Objective Line Design
Balance art, Art terms, Geometric painting
Symmetrical Balance by Rage-Cannon on DeviantArt Balance art, Principles of design contrast, Symmetrical balance
How to Use Radial Balance in Photography - 42West, Adorama
The 7 Principles of Design Explained in Colorful Downloadable, Printable Posters or Handouts
The Wonderful Patterns of Alexander Calder – cristina buckley
Balance - A Principle of Art
Symmetry, Asymmetry, Balance BMCC Art 100, Professor Reinhardt
Create Better Design Through Abstraction - Alvalyn Creative Illustration
Woman Holding a Balance