#geography #potamology #russia #siberia #yenisei river #arctic ocean #kara sea #yenisei gulf #rivers

#earth day #earth #ice cap #vavilov #glacier #kara sea #university of colorado boulder #satelite image

#geography #siberia #russia #kara sea #ob river #yenisei #river #sea ice #transport #ocean #arctic #seafloor #the earth story #nature #landscape #science