Vang Vieng is famous for tubing - but what you may not know about Vang Vieng, is if you go at a particular time of the year… you can be part of a massive 'Rocket festival' a huge party that centres around firing enormous home-made rockets into the atmosphere.br 'Bun Bang Fai' - The official name of the rocket Festival is a symbolic call to the rain gods… basically hundreds of villagers & travellers gather by the rivers edge & fire massive rockets into the sky from makeshift launching platforms.