Matt Damon is apparently a lot less fun to look at in 3DA 3D version of the latest Bourne movie made exclusively for Chinese cinemas has caused local audiences to complain about headaches and nausea.
The format remains hugely popular in the country, particularly when it comes to action movies.
But the conversion process required to give the 2D-shot film an extra dimension seems to have been ill-judged in this case.
