Alexander Sokurov's 2002 historical drama starring Sergey Dreyden was filmed where?
Sergey Dreyden: Sergey Simonovich Dreyden (Dontsov) (Russian: Серге́й Си́монович Дре́йден (Донцо́в) ; born September 14, 1941) is a Russian actor and star of Alexander Sokurov's Russian Ark. Russian Ark: Russian Ark (Russian: Русский ковчег , "Russkij Kovcheg") is a 2002 historical drama film directed by Alexander Sokurov. Russian Ark:  It was filmed entirely in the Winter Palace of the Russian State Hermitage Museum using a single 96-minute Steadicam sequence shot.
Winter Palace of the Russian State Hermitage Museum