Microsoft gives much importance to the wallpapers of Windows. They don't use photoshop or any other image creation software to make their wallpapers.
This was evident from the Windows XP wallpaper landscape which wasn't digitally created!
Similarly, I discovered that the Windows 10 wallpaper isn't a fake but made with real lights, lasers, fog machines and whatnot!
Take a look below:-
Fascinating, right? I am switching back to the default wallpaper on my Windows to appreciate this piece of art :)