According toDavis'scheme, the shoreline is being extended in a seawarddirectionbecauseofthe "land-building" roleofmangroves, which, bytrappingsedimentsovertime, extendthe shore.
The city, like the rest of Brazil, is booming, not only due to the recent discovery of off-shore oil fields, but also because two huge global events are coming to Rio overthe next few years.