oil workers, builders, geologists
Soviet Union
Documentary
57 minutes
1965
Igor Belyaev
2003
0.0
2018
7.0
2006
0.0
1975
0.0
1986
0.0
2013
0.0
1961
0.0
2022
0.0
2004
7.2
2011
8.0
2010
0.0
2019
7.8
2016
0.0
2015
0.0
2016
8.5
2010
6.3
2014
7.5
2021
0.0
2009
8.0
2015
6.4