If you were thinking that all of H&M's clothing models are looking pretty much the same these days, that's because the bodies are computer generated with heads pasted on in post-production.
But man, isn't looking at the four identical bodies with different heads so uncanny? Duly noted that H&M made one of the fake bodies black. You can't say that the fictional, Photoshopped, mismatched-head future of catalog modeling isn't racially diverse.