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Soviet scientific research expedition "Toros-2"
USSR. February 28, 1967. Engineer Yu. M. Krivtsov and the head of the Soviet scientific research expedition "Toros-2", dedicated to the study of Greenland seals in natural conditions, candidate of biological sciences L. A. Popov (from left to right) during the immersion of a hydrophone in water to record the sounds made by seals in the water. Alexander Ovchinnikov/TASS
| Location: | USSR |
| Photo: | №161290 |
| Date of shooting: | 02.28.1967 |
| Authors: | |