if you watch the first 30 seconds of this video, you can see how they change and edit the earth to look more like a sphere. If the Earth was round then why change it?
https://www.youtube.com/
They don't even show video, they show photo shopped pictures, NASA and politics are great if you want to be a professional actor.
Also fast forward to 4:35 if you want to see some insane paintings.
