If you happen to read Japanese, here's a PDF article (5.9MB) about Ambon. I also have an article about Ambon in the most recent issue (Feb '09) of Diver magazine in Japan (though I don't have a PDF for that one).
If you happen to read Japanese, here's a PDF article (5.9MB) about Ambon. I also have an article about Ambon in the most recent issue (Feb '09) of Diver magazine in Japan (though I don't have a PDF for that one).