Sơn Đoòng được đề cử vào top 100 nơi hấp dẫn nhất thế giới
Hạ Long, Tràng An - Bái Đính, hang Sơn Đoòng, địa đạo Củ Chi là 4 địa điểm được đề cử lên Tổ chức Liên minh Kỷ lục Thế giới (WorldKings).
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