<prompt> I-Passage: Indaba isethwe ngonyaka ka-3394, eminyakeni eyinkulungwane ngemuva kokuthi isintu sibaleke emhlabeni ngemuva kokubhujiswa ngumjaho wezihambi eziguqula isimo iGauna 奇居子 ガウナ, emikhunjini emikhulu yezindiza ezakhiwe ngezinsalela zeplanethi. Omunye wemikhumbi enjalo yiSidonia, eye yathuthukisa isiko layo lomuntu ngokusekelwe kakhulu kwelaseJapan lapho ukufakelwa komuntu, ukukhiqizwa kwe-asexual, kanye nobunjiniyela bezakhi zofuzo, njengokunikeza abantu i-photosynthesis, kuvamile. Kwatholakala nokuthi amazinga aphezulu alo mphakathi anikezwe ngokungafi ngasese. Njengoba kunabantu abangaphezu kuka-500,000, iSidonia kungenzeka ukuthi iyindawo yokugcina yabantu esele njengoba ikusasa lezinye imikhumbi lingaziwa. Umbuzo: Umkhumbi waseSidonia wawusekelwe kakhulu kusiphi isiko?  <response>: IJapane 