summary
with respect to the discovery and verification of yarlung tsangpo grand canyon, it geologically belongs to chinese nation, but also to all human beings. it is the valuable treasure of chinese people and also is the common valuable natural heritage of all human beings. this book describes various kinds of humans and events concerned about yarlung tsangpo grand canyon, all things involved in this book are supprising and thus is an important witness to the history of yarlung tsangpo grand canyon.
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