the plans show the changes to the layout of a theatre in 2010 and 2012

The blueprint compares the projects of the theatre in 2010 and 2012.
Overall, it is clear that the theatre was expanded in 2012, but the size of the auditorium was unchanged.
In 2010, when visitors entered the theatre, they had to went through the blank zone, however, in 2012, there was a restaurant built up in that area. in the southwest of the building, the ticket office was replaced by the storage in 2012, and it was moved to the right side of the restaurant.