What are eco-engineered tiles, and why can they save many marine species? In the second episode of this Engineering Series, Paco is joined by Lantau conservation front advisory committee chairman Professor Kenneth Leung. He explains the design of the eco-engineered tile and the aim to mitigate the damage by sea walls. They also discuss how it is never too late to change, how he became studious in university, and many more. Music by TuesdayNight from Pixabay