![](https://image.tmdb.org/t/p/w500/y6NgdIVjkcEWO7DTBKNG0dbvmtC.jpg)
The Keys to Happiness
Jan 02, 1913
2h 46m
Directed by Vladimir Gardin and Yakov Protazanov, this two-part epic was the most expensive Russian film at the time and smashed box office records. It is now considered lost, with only a 4 minute clip surviving.