This example shows a sunflower built entirely from DOM elements using D3.js and plain JavaScript. It creates a pot, stem, leaves, and flower head by dynamically appending divs and applying CSS classes. The code uses `document.createElement` and `appendChild` to structure the scene, while CSS rules handle styling and positioning. The flower’s center and background are drawn with colored divs, though the petals reference an external image URL, and the final layout is centered via flexbox.