Nurtured by nature

Living in a city high rise, nature has never been so far away. Now those with no idea of where that cabbage comes from can find out

As the man in a white lab coat squats, a group of children surrounding him listen attentively.

"Vegetables usually grow from soil, but here we have vegetables growing from water and floating like little boats," the man says, pointing to cabbages beside him that are sprouting up not out of the ground but out of a shallow pond.