Li Hongzhi began his public teachings of Falun Gong on 13 May 1992 in Changchun , and subsequently gave lectures and taught Falun Gong exercises across China .	<arg1> Li Hongzhi </arg1> <rel> began </rel> <arg2> his public teachings of Falun Gong on 13 May 1992 in Changchun </arg2>	1