The chart illustrates data about 
metro
 systems in Use synonyms
London
, Use synonyms
Paris
 and Use synonyms
Moscow
.
Use synonyms
Overall
, all three metros are huge and each of them leads in one feature shown in the chart. The Linking Words
London
 Underground is the longest, Use synonyms
Paris
 Use synonyms
Metro
 has the most Use synonyms
stations
 and the Use synonyms
Moscow
 Use synonyms
Metro
 is the busiest.
Use synonyms
Firstly
 we can see that all three are huge underground systems and each one exceeds in exact features. Linking Words
London
 Underground is the longest one with 408km Use synonyms
length
 in comparison with Change preposition
in length
Paris
 and Use synonyms
Moscow
 systems which are 214km and 308km respectively. Use synonyms
In contrast
 with ,length the most number of Linking Words
stations
 has Use synonyms
Paris
 Use synonyms
Metro
 with 300 Use synonyms
stations
. Use synonyms
London
 Underground Use synonyms
stations
 are nearly about to Use synonyms
Paris
 Use synonyms
Metro
 but Use synonyms
Moscow
 Metros Use synonyms
stations
 are about twofold fewer than Use synonyms
Paris
 Use synonyms
Metro
. 
Use synonyms
Linking Words
Secondly
 we can see the busiest Add a comma
,Secondly
metro
 is the Use synonyms
Moscow
 subway with 6.5 million passengers daily which is more than twofold many than in Use synonyms
London
 and Use synonyms
Paris
 Use synonyms
Metro
 is between them with daily passengers using.Use synonyms