Sifu Jerry lead “Second Senior” River Lin and a student at the mega-prestigious, premier state-level function “Flag-raising Ceremony and Reception in Celebration of the 72nd Anniversary of the Founding of the PRC”, one of the twin pillars of Hong Kong's official ceremonial calendar, performing in front of the highest-status officers of the HK Precedence List, including the then-Chief Executive Carrie Lam, former Chief Executives, Principal Officials, the Chief Justice, the President of the Legislative Council, and heads of Central Government offices in Hong Kong.