That's an interesting take. I also found [flatgeobuf](https://github.com/flatgeobuf/flatgeobuf https://github.com/flatgeobuf/flatgeobuf), which promises someth

That's an interesting take. I also found [flatgeobuf](https://github.com/flatgeobuf/flatgeobuf https://github.com/flatgeobuf/flatgeobuf), which promises something similar-ish. Perhaps not the same interface for querying, but organizing data in an r-tree format for streaming from a blob store.