Tiger scent-marks against tree in snow. WS of Siberian tiger sitting in snow and performing flehmen. WS of tiger standing in snow and performing flehmen. MS of Siberian tiger walking right past trees to second tiger, rubbing up against it, both walking right. CU of Victor Yudin looking left. WS of Siberian tigers walking left, mating in snow. CU of Yudin looking left. CU of stopwatch timing. WS of Siberian tigers mating in snow, climaxing, male jumping off, female lying in snow and pawing snow. WS of tigers mating in snow, POV left behind tigers. CU of Yudin straining to look. CU of hand writing in notebook. MS of Siberian tigers mating. WS of tigers finishing mating, male jumping off, running right, PAN RIGHT. (235)