http://www.bbc.co.uk/news/entertainment-arts-34137415
It's set on a 1950's film set in Africa and has been called 'beyond problematic'.
The director has defended it by saying he and the producer and editor are all Asian or African American and as it's a period piece would have been 'historically inaccurate' to 'load the (fictional) crew with more black actors'.

https://www.youtube.com/watch?v=IdneKLhsWOQ

This is the first Taylor Swift song I've (consciously) heard. Quite like it.