View photosExhibitionsP.M. Tretyakov’s JourneysOn show are 130 rare and never-before-exhibited photographs taken during Pavel Tretyakov's numerous trips with his family across Europe. There are also old journals, guidebooks, and portraits of relatives, friends and fellow travelers.27.0411.09.16State Tretyakov Gallery on Krymsky ValMoscow, 10, Krymsky Val ul.