On 24 March 2025, Hong Kong’s Secretary for Transport and Logistics, Ms. Mable Chan, visited The Hong Kong Polytechnic University (PolyU) to discuss the low-altitude economy (LAE) policy and to see demonstrations by the PolyU Department of Aeronautical and Aviation Engineering (AAE). The Trustworthy AI and Autonomous Systems Laboratory (TASLAB) took part in the visit and presented an indoor demonstration of its window-cleaning UAV, a step towards safer and smarter urban maintenance in a smart city.


The indoor demonstration of the window-cleaning UAV and the project introduction.
The Secretary praised the team’s hard work and expressed an optimistic view of the development of the window-cleaning UAV project.



Dr. Weisong Wen explaining the research proposal to the Secretary, the Hon. Mable Chan, JP.