What key details about linh chi can be extracted from the following bio? Bio: nguyen tai luong , known by the name linh chi -lrb- born 1921 -rrb- is a vietnamese artist he specialised in silk paintings and he used the theme of vietnam 's ethnic minorities in many of his works .
- imagesize is 170px- caption is ' of linh chi 's prominent pieces red dao ethnic minority girl ' , one- birth name is linh chi- death date is unknown- field is specialised in silk paintings- works is red dao ethnic minority girl- birth date is 1921- name is linh chi- movement is unknown- nationality is vietnamese- death place is unknown