MIUI 12 was just launched and with it came the cool Wallpapers, you can find the previews below and download the zip directly.
This is a preview for the live wallpapers:
You can download the MiUi 12 Wallpapers and Live Wallpapers from here:
Make sure to extract the live Wallpapers and install the apk.then open your launcher settings and set the live wallpapers from there.
Regular Wallpapers can be extracted and placed in /Pictures folder.