In 2014 Alvin Cheng organized the rally with his schoolmates in support of the hong kong umbrella movement.
 He was a former student at Queensland University of Technology in Australia, and organised a rally with his schoolmates and Nardo Wai in support of the Hong Kong Umbrella Movement during the 2014 G20 Brisbane summit. 
The Umbrella Movement () is a political movement that emerged during the Hong Kong democracy protests of 2014. 
