These are the rules to new TV reality show, an ultimate 9-month Siberian survival test stranded in remote taiga with bears and wolves in minus 40C winter.
Vessels Kapitan Dranitsyn and Admiral Makarov 'marooned' in east for the rest of winter after getting trapped off Chukotka.
As temperatures sunk to minus 50C and below, schools and kindergartens were closed for the world's hardiest children.
Zoo discovers big cat's secret talent rolling snow to make winter toys.
Experts say Kuzya, Borya and Ilona have adapted to life in the wild and satellite data shows they are happily roaming about their new habitats.
Schoolchildren of all ages are asked to stay home as gusts of wind reach 29 metres per second.