the opposite way in Australia so I thought I would do a short post about it. Happily for me the question has been answered by a few people on youtube and I won't have to make my own video.The first video is Australia specific, not to ruin it for you but there is no swirl at all.
http://youtube.com/watch?v=EJn4AU_QHJM
The second is from Brazil also south of the equator.
http://youtube.com/watch?v=zQtc5drjeVY
This should sufficiently solve the mystery of the flush!!
