Collaboration between German (E.Oberlander), Russian (Y.Obvinzev) and American (J.Elkins) scientists during the expedition.
Completing the T-7 diary - spotting the possible sources of contamination.
Installation of the MTP-5 instrument measuring vertical T-profile by Lykov Alexey.
After installation phase. Troica-5 is about to start.
Ship based measurements on the river Ob.
Sunset on the river Ob.