Lego blocks being used to help replenish Singapore's reefs

From Morning Report, 6:21 am on 27 October 2021

Singapore's waters were once abundant with coral species, but coastal and land development have caused reefs to deplete over the years.

But a group of scientists from the National University of Singapore believe they've found a counter to the diminishing stocks - using lego blocks.

Doctor Jani Tanzil spoke to Corin Dann.