A group of university students rushed ahead of me leaving the Asian gardens. They turned into the tunnel that went under South West Marine Drive to the North Garden.
This section of the gardens was more like other botanical gardens with special sections for different species. But it was clear from the groups of students gathered in different sections, from the room where note books lay opened, and from the amphitheatre, that this was a learning botanical gardens.
I left the gardens through the same tunnel to exit the gardens.