Tengyu attended the 11th Asian Aerosol Conference (AAC) 2019 at the City University of Hong Kong (CityU) in Kowloon, Hong Kong from May 27-30, 2019. He presented his research on the kinetics of SO2 oxidation in sub-micron, deliquesced aerosol particles. Prof. Abbatt was also one of the plenary speakers and gave a talk on group's most recent indoor projects.