Hafi ya 70% yumubumbe wacu utwikiriwe namazi, ubuso bwinyanja nikimwe mubice byingenzi byisi yacu. Ibikorwa hafi ya byose byubukungu mumyanyanja yacu bibera hafi yubuso (urugero nko kohereza mu nyanja, uburobyi, ubworozi bw'amafi, ingufu zidasanzwe zo mu nyanja, imyidagaduro) hamwe nintera iri hagati ya ...
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