Norilsk
Norilsk can only be reached by airplane, or by boat.There is a railway line, which connects the city to Dudinka, on the river Yenisei. The airport lies about  west of the ciry. Dudinka is about  to the west. It is a large port on the river Yenisei. While at first, there was only the railway, a road to Dudinka has been built. The raiway now only handles freight.