"The ground looks flat and ugly." Solution: Ensure "Terrain" is turned on in your source software. In Google Earth Studio, set the "Terrain exaggeration" to 1.5 to make mountains pop.
Here's an example FFmpeg command:
Open Google Earth Pro. Load your KML file via File > Open . Ensure your path, polygon, or placemark is visible in the "Places" panel. convert kml file to video
The most accessible method for converting a KML to video is using (free for desktop). This software has a built-in "Movie Maker" tool. "The ground looks flat and ugly