Will flood-prone Jakarta's 'Giant Sea Wall' plan sink or swim?

Children play soccer near a new construction of a concrete sea wall at Cilincing area in Jakarta, Indonesia Aug 22, 2017. (Reuters photo)

Indonesia's bustling capital, Jakarta, is sinking faster than any other city in the world. But an ambitious plan to build a giant wall to keep out the encroaching sea has come under fire from fishermen who fear for their catches and homes, and water experts who say it doesn't do enough to tackle land subsidence.

The city's northern areas have sunk 4 metres in the past 40 years, Japanese experts say, while some 'hot spots' are said to be dropping as much as 20 centimetres a year.

The 10 million residents of the low-lying coastal city, built on a swampy plain, are exposed to tidal and seasonal flooding. In 2013, parts were submerged under nearly 2 metres of water after a heavy monsoon storm.

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