俄计划建立极地城市russiaplanstobuildfrozenmunity1,000milesfromnorthpole..huanqiu2002516:50环球网russiaistobuildanuramoderncityonafrozenislaneepinsidethearcticcircle.namedumka,afterapopularsovietpolarbearcubcartoonhero,theinitial5,000residentswillliveunderavastdometoprotectthemselvesfromtemperaturessinkingbelowminus30cinwinter.thiscitywillbeofstrategicimportanceasrussiasnorthernoutpost,saidarchitectvaleryrzhev...