This histogram shows the distribution of construction start years for U.S. skyscrapers, with bins set at ten-year intervals. The chart uses `d3.bin` to group the data and `d3.scaleTime` with `d3.axisBottom` for the time axis. Bars are drawn as SVG rectangles, colored `cornflowerblue`, on a gray background with horizontal grid lines. The data comes from `skyscrapers.csv`, which is filtered to exclude rows where construction has not started.