Then you`ll go to the Ethnographical Museum of the People of Transbaikal region. The Ethnographical museum is one of the largest museums in the open air in Russia. Museum was opened in 1973, it is located 8 km from Ulan Ude and has 40 monuments of wooden architecture. The museum collections include the expositions on the history of ethnic groups living in the region: Evenks, Western Buryats, Eastern Buryats, Cossacks, Old Believers.
https://portbaikal.com/en/russia/russia-sights/excursions-in-ulan-ude/item/111-city-tour-of-ulan-ude-with-visit-to-the-ethnographical-museum-4-5-hours#sigProId833f5e0fa8