ПОМОГИТЕ!!!!!

Study the map of the London Underground.
1)How many lines they have
2)On what bank of the River Thames most of them are situated
3)If there is a circular line
4)What station names are associated with the places in London that you have heard of
5)If you can say that London’s Underground is very old just by looking at the map
6)What additional information the map gives in the picture

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