I saw this tweet last week that Switzerland was projecting country flags on Matterhorn mountain in show of solidarity during this pandemic:
I was curious to see what this would look like in Cesium. It was a lot of fun putting this together and projecting different country flags on the mountain, I think it turned out pretty well!
Here’s another screenshot I really liked:
You can play with this yourself in a live demo here: https://cesium-matterhorn.glitch.me/. Try clicking Toggle orbit to get a nice fly around the mountain.