Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Masu binciken Burtaniya sun gano Namcha Barwa a cikin 1912 amma yankin ya kasance kusan ba a ziyarta ba har sai masu hawa dutsen Sinawa suka fara yunƙurin kai kololuwa a cikin 1980s. Ko da yake sun bi hanyoyi da yawa, ba su kai saman dutsen ba. A shekara ta 1990 wata ƙungiyar bincike ta ƙasar Sin da Japan ta bincika ƙwanƙolin. Wani binciken hadin gwiwa ya kai mita 7,460 (24,480 ft) a shekarar 1991 amma ya rasa memba Hiroshi Onishi a cikin hadari. A shekara mai zuwa wani kamfen na uku na kasar Sin da Japan ya kafa sansanoni shida a kudancin Kudu a kan tsaka-tsakin Nai Peng (mita 7,043 ko 23,107 feet) wanda ya kai ga taron Oktoba 30.  Tambaya: 'Yan majalisa nawa ne suka rasa rayukansu sakamakon ambaliyar ruwa?
amma ya rasa memba Hiroshi Onishi