This is a Google Maps-powered time-lapse of my main save file in Factorio. Don't worry if some tiles don't seem to load; only those that show some part of the factory are generated.
A/D: View previous/next versions
Shift + A/D: Skip by 10 versions
Space: Toggle autoplay
H: Toggle UI visibility
Click or drag on the bar in the top-right corner to select a version, or use the A and D keys. The three buttons at the top of the screen are used to play a slideshow of the map over time. Click yellow links in the description to view the referenced location on the map.
Click this message to hide it (you can show it again by clicking the ? in the bottom-left corner of the screen)