Ahavuye isanamu, Jonathan Bamber Insiguro y'isanamu, Ubwato buto mu gace ka Illulissat Icefjord mu burengerazuba bwa Greenland, kaboneka nk'akantu k'ubusa imbere y'imisozi y'ubura izwi nka Iceberg, yahongotse ku gisi cy'urubura cya mbere kinini muri Greenland cyitwa Jacobshavn Isbrae Aba bavuga ko ubushakashatsi bwatangajwe mu 2013 babona bwararebye hagati ya 17 na 83% y'ibyo bwagombaga kurebaho kugirango bugere kubyo bwatangaje.
