After Lau Bun passed away in 1967 , Grandmaster Wong started teaching .
After Lau Bun passed away in 1967 , Grandmaster Wong continued to study Choy Li Fut under Hu Yuen Chou and Wong Gong in Hong Kong .
After Lau Bun passed away in 1967 , Grandmaster Wong started teaching and continued to study Choy Li Fut under Hu Yuen Chou and Wong Gong in Hong Kong .