The image illustrates changes made in a theater in two specific years.
Overall, it can be seen that the most noticeable changes were the addition of restaurants, Hall, shower, the disappearance of Cafe as well as the swapping between features.
Specifically, on the southern side of the design, the region of admin office and ticket office was replaced by restaurants in 2012. Additionally, in plan for 2012, on the west of the auditorium, there was a shower which did not exist in 2010. Moreover, on the top of the northern side, it saw an appearance of Hall.
Moving to terms of remaining changes, on the right of the main entrance, in 2012, there was a ticket office instead of a cafe in 2010. Besides, the admin office was not put in the same region as the ticket office, it was moved to the northern side of restaurants in 2012. On the other hand, in the top half of the map, while the stage location was unchanged, the media and storage place were moved to the left and right of stage respectively.