Retrieve a 360 panorama image of the desired Google Street View as described in the guide below. My reference's gonna be https://maps.app.goo.gl/wGtwAz5wuSh3AHrF6.
https://hub.virtamate.com/resources/how-to-use-google-street-view-images-as-sky-domes.19751/
But instead of creating CUA in Unity...