Sinkholes: What’s the cause and can they be prevented? | Expert Answers | CNA Explains
What causes sinkholes like the ones in Kuala Lumpur? Can they be prevented? And what are the warning signs? We asked for your questions on sinkholes and here are the answers from Dr Wu Wei, an expert in rock engineering at the NTU School of Civil and Environmental Engineering.
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00:00 Introduction
00:13 What causes sinkholes?
01:20 Is this a natural phenomenon?
01:49 What could be the cause of the recent sinkholes in Kuala Lumpur?
02:25 How could a person suddenly fall into a sinkhole without warning?
02:47 How could someone prevent themselves from falling into a sinkhole?
03:02 How could another sinkhole have appeared so quickly around the first?
03:36 How can we detect sinkholes?
04:12 Are buildings near sinkholes compromised?
04:27 How do we fix a sinkhole?
04:43 Why do you think we're seeing more news about sinkholes lately?
05:25 Will Singapore have the same problem?
06:13 If I were to fall into a sinkhole, what would happen to me?
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