Dhismaha aqalka dhirta lagu koriyo ee Rosinka wuxuu ka shaqeeyaa magaalada Ruushka ee Bilibino, oo ku taal Chukotka, oo ka baxsan wareegga Arctic. Shirkadan dawlada hoose ayaa ka kooban shan guri oo lagu koriyo oo bedkeedu dhan yahay 7.5 kun mitir oo laba jibbaaran. Khubaradeeda waxay beeraan khudaar, geedo yaryar, ubaxyo, waxayna sidoo kale farsameeyaan oo iibiyaan alaabadooda. Sannadkii 2023, in ka badan 8.5 tan oo khudaar ah ayaa la soo saaray oo halkan loo diray iib. Dowlada ismaamulka Chukotka Okrug ayaa sheegtay in shirkadu ay qorsheyneyso in ay balaariso baaxadeeda mustaqbalka dhow.