This histogram visualizes the distribution of average building ages for Chicago energy usage data from 2010. The p5.js sketch loads a CSV dataset and renders a box plot overlay, displaying summary statistics like quartiles, median, mean, and outliers alongside the histogram. It uses custom statistical calculations for percentiles and thresholds, with a mapping function to convert data values to canvas coordinates. The visualization highlights the spread and central tendency of building ages through both the histogram bins and the superimposed box plot elements.