A shallow tidal lagoon of southeast Brazil. Separated from the Atlantic Ocean by a wide sandbar, it is an important fishing ground.

巴西东南部一浅泻湖，由一道宽大的沙堤把它与大西洋隔开，是一重要的渔业基地。

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Now Tidal Lagoon Swansea Bay believes it can bring the project to reality.

BBC: Swansea Bay tidal power could 'supply 100,000 homes'

Meanwhile, plans to create a tidal lagoon in Swansea Bay capable of producing energy for more than 10, 000 homes are progressing.

BBC: NEWS | UK | Wales | South West Wales | Wave power plan for Welsh coast

However, the SDC report concluded that it did not "consider that a large-scale tidal lagoon development in the Severn estuary would offer any environmental or economic advantage over a tidal barrage".

BBC: The ebb and flow of tidal power