Did you know that Attapeu , Bokeo , Bolikhamxai , Champasak , Houaphan , Khammouane , Luang Namtha , Luang Prabang , Oudomxai , Phongsali , Sainyabuli , Salavan , Savannakhet , Sekong , Xiangkhoang and the Vientiane Province and Prefecture form the provinces of Laos (mapped) ?