Lee Hsien Yang’s 2nd son, Li Huanwu, urges LGBT S’poreans to support Pink Dot. And now, Lee Hsien Yang’s second son, Li Huanwu, who is 31 years old this year, has publicly urged members of the lesbian, gay, bisexual, and transgender community to take up the moral responsibility of showing up at Hong Lim Park on July 1, 2017, in support of Pink Dot.