The diagram describes the floor plan of the Central 
Library
 Use synonyms
two
 decades ago and how it looks now.
20 years ago,there were CDs,videos and computer games in the northeastern of the diagram.Use synonyms
While
 now there are storytelling events and children’s fiction Linking Words
books
 in the Use synonyms
room
.What’s more,there are Use synonyms
two
 sofas in the diagonal of the Use synonyms
room
. There were children’s Use synonyms
books
 in the northwestern in the past.But now lecture Use synonyms
room
 Use synonyms
instead
.And 20 years ago the reading Linking Words
room
 and enquiry desk were located in the southeast and southwest corners respectively.Use synonyms
However
, now   replaced Linking Words
two
 places with computer Use synonyms
room
 and Cafe respectively. Use synonyms
And 
Correct word choice
Two
two
 decades ago there were tables and chairs in the centre of the Central Use synonyms
Library
,and on their left Use synonyms
was
 the adult fiction Correct subject-verb agreement
were
books
 and on the right Use synonyms
was
 the non-fiction.Nowadays,tables and chairs have disappeared,all reference Correct subject-verb agreement
were
books
 are on the left and adult fiction Use synonyms
books
 with information desks and self-service machines are on the right.Use synonyms
Besides
, the layout of the entrance has not changed.
      Linking Words
Overall
,there are some self-service machines,Cafe even Linking Words
add
 some sofas in the Wrong verb form
added
library
.The Central Use synonyms
Library
 become more advanced and more comfortable.Use synonyms