Four members of the International Advisory Committee of PAIR visited the RCRE laboratory on 8 March 2024. During the lab visit, Ir Prof. Chi-sun Poon (Director of RCRE) and Dr Shipeng Zhang (RCRE member) introduced some low-carbon construction materials such as foam glass-based lightweight concrete, superhydrophobic lightweight foam concrete, sustainable permeable concrete for urban drainage, and 3D concrete printing technology to the IAC members.