The last diagram for 2020. It illustrates the total COVID deaths of top 100 countires in the world till today (28th Dec). It is a sad and alarming digram as each digital here are not just number, they used to a person like us. 

This diagram is created with Grasshopper3D only. I have been exploring data visulisation with Grasshopper this year, which is such a powerful tool. 

Data source:https://www.worldometers.info/coronavirus/.