Hang động dung nham dài nhất Đông Nam Á ở Việt Nam
Từ tháng 2/2013, các nhà khoa học đã tiến hành đợt khảo sát sơ bộ nhóm hang động nguồn gốc dung nham tại khu vực huyện Tân Phú (tỉnh Đồng Nai).
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