N'afọ 1990, otu ndị China na Japan jikọtara ọnụ wee rute n'elu ugwu ahụ. N'afọ 1991, otu ndị China na Japan jikọtara ọnụ ruru 7,460 mita (24,480 ft) ma onye otu ha bụ Hiroshi Onishi nwụrụ na ndagwurugwu. N'afọ na-eso ya, ndị China na ndị Japan nke atọ guzobere ogige isii na South Ridge karịa etiti Nai Peng (7,043 mita ma ọ bụ 23,107 ụkwụ) na-eru n'elu ugwu ahụ na Ọktọba 30. Ajụjụ: Mmadụ ole n'ime ndị otu ahụ nwụrụ na ndagwurugwu?
ma onye otu furu efu bụ Hiroshi Onishi