Red River Delta Biosphere Reserve – A Treasure Trove of Ecological Wonders
Red River Delta Biosphere Reserve has an area of more than 105,000 hectares, a core area of 14,000 hectares, a buffer area of 37,000 hectares, and a transition area of […]
Red River Delta Biosphere Reserve has an area of more than 105,000 hectares, a core area of 14,000 hectares, a buffer area of 37,000 hectares, and a transition area of […]
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