A yellow face with a black outline appears on a red background. The face features two circular eyes, rectangular eyebrows, and a mouth shaped as a semi-circular arc. The eyebrows animate by moving downward and back upward over a four-second cycle. The visualization is built using D3.js, with SVG shapes (`circle`, `rect`, `path`) positioned via transforms. The mouth is drawn using D3's `arc` function, and the eyebrow animation is driven by chained `transition` calls. The red background is set via an inline SVG style.