http://uk.reuters.com/article/us-britain-eu-negotiations-idUKKBN17R1XJ
http://www.telegraph.co.uk/news/2017/05/23/66m-migrants-waiting-cross-europe-africa-report/
https://www.crisisgroup.org/global/misery-strategy-human-cost-conflict
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/974507/20210331_-_CRED_Report_-_FINAL_-_Web_Accessible.pdf