The most likely reason for a place to have an alternative place ID is if your application adds a place and receives
an application-scoped place ID, then later receives a Google-scoped place ID after passing the moderation process.
scope
scope:"APP"
The scope of an alternative place ID will always be APP,
indicating that the alternative place ID is recognised by your application only.
The most likely reason for a place to have an alternative place ID is if your application adds a place and receives an application-scoped place ID, then later receives a Google-scoped place ID after passing the moderation process.