https://aws.amazon.com/blogs/security/addressing-data-residency-with-aws/?sc_channel=sm&sc_campaign=AWS_Security&sc_publisher=TWITTER&sc_country=Security%20&%20Identity&sc_geo=GLOBAL&sc_outcome=awareness&trk=_TWITTER&sc_content=dataresidencywhitepaper&sc_category=AWS_Identity_and_Access_Management&linkId=47676704