Title: Ėkspedit︠s︡ionnye issledovanii︠a︡
Subjects: Nature conservation, Congresses, Biography, Naturalists
Places: Russia (Federation), Nat︠s︡ionalʹnyĭ park "Smolenskoe Poozerʹe", Smolensk, Nat︠s︡ionalʹnyĭ park "Smolenskoe Poozerʹe" (Russia)
People: Nikolaĭ Mikhaĭlovich Przhevalʹskiĭ (1839-1888)