I found this to be an interesting article. I know this type of thing took place in the 1940's also. http://www.balkaninsight.com/en/article/birn-film-on-wartime-home-swaps-gets-tv-premiere-09-04-2017?utm_source=Balkan+Transitional+Justice+Daily+Newsletter+-+NEW&utm_campaign=db2359c87f-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_a1d9e93e97-db2359c87f-319777285