. "The Russian Tundra was the place were an anomaly opened to the Cretaceous and several dinosaurs came through near Tunguska, a place traditionally associated with meteorite hits. (Extinction Event)"@en . . "Russian Tundra"@en . . . . "The Russian Tundra was the place were an anomaly opened to the Cretaceous and several dinosaurs came through near Tunguska, a place traditionally associated with meteorite hits. (Extinction Event)"@en . .