The seaweed ecosystem means significantly to protection of biological resources, and it also improves nearshore non-biological environment and resistance to tides. (Xinhua/Yang Shiyao)

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Tangshan ,Hebei ,China ,Jilin ,Caofeidian ,Xinhua Yang Shiyao , ,Tangshan City ,Hebei Province ,Yang Shiyao ,Ecosystem Tangshan Protection Restoration Ecological ,