Work in progress: what's the most effective way to show *all* cinema tickets sold across Europe:

[based on actual data for 2016]

- zoomable sunburst (click on slice to zoom in, click on centre to zoom out): https://giorgiocomai.eu/testzone/cinema/zoomLabels/

Funky, but not so clear, and slow on some hardware

#d3js #dataviz