For the records, I'll most probably end up leaving out the zoomable sunburst (not intuitive enough for too many people, and pretty bad in conveying data), and instead opt for an adjusted zoomable circle packing. It ultimately gives a glimpse of the data, allows to explore individual cases, and serves its purpose of introducing some change in a product filled with barcharts https://giorgiocomai.eu/testzone/cinema/ZoomableCircle/index.html #dataviz #d3js https://social.giorgiocomai.eu/attachment/23966