There is a tradition in Barentsburg: Whenever you are on the mainland, you should hug a tree because you will find none of them here. The Russian enclave on Spitsbergen in the Arctic is so remote that reaching it is only possible by helicopter, snowmobile, or ship - if the extreme weather allows it at all. Because of the permanent danger from polar bears, leaving the village without a rifle is forbidden. In winter, Barentsburg sinks into months of darkness; in summer the sun shines around the clock.