Commentary: How concerned should pedestrians be about sinkholes? | Video
On Aug 23, a woman fell into a sinkhole in Kuala Lumpur. A few days later, another sinkhole opened in the same area. David Ng of the Institution of Engineers, Singapore, weighs in on the risks of sinkholes and how concerned the public should be.
On Aug 23, a woman fell into a sinkhole in Kuala Lumpur. A few days later, another sinkhole opened in the same area. David Ng of the Institution of Engineers, Singapore, weighs in on the risks of sinkholes and how concerned the public should be.