According to the passage the effect created by Sokurov's film is ----.

Cinema today is all too often just about plot or
special effects. So really great films, successfully
weaving together sound, image and time to tell a
really cinematic story, are always special. On show
in New York earlier this month was a remarkable
example. Alexander Sokurov's "Russian Ark"
explores the 300 -year- long history of the
Hermitage museum in St. Petersburg, It takes you
an uncut 90 - minute walk through 35 of its historic
rooms and halls. This has never been done -
before and the result demonstrates impressively
how much film can achieve.