Environmental inspectors Vyacheslav Sleptsov and Valery Arbatsky

A shack on the Nizhnyaya Kolyma River

Expedition participants on the ice of Kolyma Bay of the East Siberian Sea

The tracks of a female bear and her cubs near Pushkaryova Island

Viktor Nikiforov, an expert at the Marine Mammals research and expedition centre

The expedition camp on Leontyeva Island