**_Haunting descent into jungle hell_** An American couple in Thailand discover possible evidence that their young son who died in a tsunami six months earlier is still alive and living in the jungles of Myanmar (Burma). They pay some dubious characters a lot of money to go up river into the forbidden country. Things go from bad to worse. Many viewers denounce "Vinyan" (2008) because it's not a typical horror film, but that's precisely why it's worthwhile. It's original. It's equal parts haunting, beautiful, strange and creepy. The plot is thin, yet the story maintains your attention. The…