Đá nhọn vực sâu
Subtitle: viết sau trải nghiệm Sơn Đoòng
By: Nguyễn Vân Anh
Publisher: Thế Giới Publishers
Published: 2018
Place of publication: Hà Nội
Language: vie
Number of pages: 87
ISBN-13: 9786047738571
Subjects: Caves
Description: Author's experience and report in conquering the Son Doong cave, the largest known cave passage cross-section in the world.
Notes: In Vietnamese.