The Thames river is its major natural feature
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.
Thames
London is on the River Thames but not quite at its estuary.
Thames.
London
The city that was established at the narrowing of the Thames River is London. The Thames River was once the capitals principle transport artery and one of the world's busiest waterways.
The river Thames
The River Thames.
Thames
London
The city of London.