This example illustrates the problem of occlusion in scatter plots, where overlapping points hide underlying data. The visualization plots automobile displacement against horsepower using data from a CSV file fetched via `d3.csv`, with tooltips displaying vehicle names. Built with the `vega-lite-api`, it renders points as filled, opaque circles, and the dense clustering reveals how marks obscure one another. The code customizes axes and labels through a Vega-Lite config object to improve readability under the heavy overlap.