Deep Dive - Will going underground and climate change cause more sinkholes?

When footage of a woman and her car plunging into a sinkhole on Tanjong Katong Road went viral, it raised questions on whether Singapore is susceptible to more sinkholes. With underground construction expanding and climate change reshaping our environment, what are engineers doing to keep our ground stable? Otelli Edwards speaks to David Ng at the Institution of Engineers Singapore and Dr Stephen Chua from the Earth Observatory of Singapore at NTU.