Escritura Hurtado appears to vibrate primarily due to the painted vertical stripes, which create optical illusions through contrasting colors. The movement of the viewer can enhance this effect, making it seem as though the stripes are in motion. Such design elements are crucial in achieving the vibrant appearance characteristic of Hurtado Writing. ;
Escritura Hurtado appears to vibrate mainly due to the painted vertical stripes, which create optical illusions through contrasting colors. The viewer's movement enhances this effect, making the stripes seem dynamic. Therefore, the correct answer is A. painted vertical stripes.
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