Chernobyl after 30 years captures imagination people all over the world. It is mysterious place with many myths and legends. After failure in Chernobyl Nuclear Power Plant in 1986 116 thousand people has been evacuated. But not many knows, that over 300 thousand people were involved in remedying the effects of the disaster. For many years they were preparing for unique event: operation of sliding new shelter, which has forever covered old sarcophagus on fourth reactor. Return to Chernobyl is a story about people fighting with unknown element and one of the most unusual structures in the world.