The line chart provides key information about the 
number
 of Use synonyms
visitors
 to the Louvre, Vatican Museums, Use synonyms
London
 Use synonyms
Science
 Use synonyms
Museum
, and Use synonyms
Shenzhen
 Use synonyms
Museum
. The units are measured in Millions. 
Use synonyms
Overall
, it is clear from the graph that the highest Linking Words
number
 of Use synonyms
visitors
 went to the Louvre during the period, Use synonyms
whereas
 the Linking Words
London
 Use synonyms
Science
 Museums had the lowest figure of Use synonyms
visitors
 throughout.
Focusing on Use synonyms
London
 Use synonyms
Science
 Use synonyms
Museum
 and Use synonyms
Shenzhen
 Use synonyms
Museum
, these had 40 Use synonyms
million
 and around 39 Use synonyms
million
 Use synonyms
visitors
 in 1980. By 1985, Use synonyms
London
 Use synonyms
Science
 Use synonyms
Museum
 Use synonyms
visitors
 witnessed a modest decrease as Use synonyms
Shenzhen
 Use synonyms
Museum
 hovered, after which in 1990 the Use synonyms
number
 of Use synonyms
visitors
 to Use synonyms
this
 Linking Words
museum
 was equal to nearly around 2.5 Use synonyms
million
 Use synonyms
visitors
. Meanwhile, the Use synonyms
visitors
' Use synonyms
number
 to Use synonyms
Shenzhen
 Use synonyms
Museum
 eventually levelled out at around 4 Use synonyms
million
. Use synonyms
Moreover
, the Linking Words
London
 Use synonyms
Science
 Use synonyms
Museum
 experienced a significant decrease to almost 2 Use synonyms
million
 in 2015. 
As for the Louvre and Vatican Museums, the former began at around 5 Use synonyms
million
 before growing to 8 Use synonyms
million
 Use synonyms
visitors
, remaining at approximately 9 Use synonyms
million
. Use synonyms
While
 the latter rose from 8 Linking Words
million
 in 1980 to about 10 Use synonyms
million
 in 2015.Use synonyms