https://www.socialeurope.eu/deja-vu-home-office
https://www.migrationpolicy.org/news/eu-pact-migration-asylum-bold-move-avoid-abyss
https://curia.europa.eu/jcms/upload/docs/application/pdf/2020-04/cp200040en.pdf
https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know