Highly Abstraca Light Graffiti by Tisha

Time of day or night is hard to tell, and even focus comes into question in these layered works of abstract light art. What is perhaps most interesting about her work is the variety from one image to the next despite the overall simplicity of the approach. Without much differentiation in the background these images become all about foreground: the relationship of shapes, colors, solid, void, light and dark. (Source)