![Strong-flow-of-water-passing-through-a-block-of-concrete-in-MacRtichie-Reservoir,-drainage-and-flood-protection-system-in-Singapore](https://videocdn.cdnpk.net/videos/a8cc5929-054d-4f39-97e5-5421f1f2c74b/horizontal/thumbnails/small.jpg)
Strong flow of water passing through a block of concrete in MacRtichie Reservoir, drainage and flood protection system in Singapore
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