Researchers working in the Black sea have found currents of water 350 times greater than the river Thames flowing along the sea bed, carving out channels much like a river on the land.
Made up mostly of limestone formed from the skeletal remains ofsea creatures, the submerged regions of the tidal flats are carved by channels where water flows between land.
这些群岛主要是由海洋生物残骸形成的石灰岩构成,潮汐滩的水下部分被流动的水分割成河道。
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The development of tourist resources for sea island is one of important channels to promoting its economy.