Very much so. They didn't have sewers in those days.
a dirty brown muddy colour
yes but no0t in downtown the dirty and oily part .
That would be the River Thames.
Sure, but not in downtown London where the water is all dirty and oily.
The River Thames is the major river through London, cutting right through the middle of the city. There are many other rivers in London, such as the River Lee (or Lea) and the River Brent.
The river Thames (pronounced temz)
London is situated on the River Thames (pronounced 'temz'.
Thames River
The Thames flows through London.
The River Thames has multiple confluences. One such is the confluence of the River Thames and the River Darent at Dartford.
The river Thames.
The river Thames is in England.