Topping up sand, planting artificial reefs and installing barrages could protect Sentosa's coastline

Topping up sand, planting artificial coral reefs and installing barrages — these are some of the solutions that experts said are on the table to safeguard Singapore's Sentosa island. This is ahead of government-backed studies starting next year on how to protect the iconic coastline amid rising sea levels. 30% of Singapore may go underwater by 2100 if nothing is done. Rachel Teng reports.