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Son Doong Cave The World’s Biggest Cave New RealParadise 2015

sondoong-cave

Sơn Đoòng Cave

Sơn Đoòng Cave (hang Sơn Đoòng, “Mountain River cave” in Vietnamese) is a solutional cave in Phong Nha-Kẻ Bàng National Park, Bố Trạch District, Quảng Bình Province, Vietnam….