ILLUSIVE PAINTING ART : Brain Teaser

ILLUSIVE PAINTING ART

[1] Does the rod in the middle exist?

[2] How many beams? Count at the top and then at the bottom.

[3] Has the door been opened inwards, or outwards?
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[4] Are the columns round or sqaure?

[5] How many beams, 3 or 4?

[6] What kind of frame is this?

[7] Strange construction

[8] How does the beam in the middle disappears?

[9] Are there 2 or 3 beams?