Wow, I didn't know London had the world's biggest finance centre. 
 Awesome, you've been a tremendous help. Thank you. 
 Sure! London is the capital and largest city of England and the United Kingdom. The River Thames runs through the city. London is the biggest city in western Europe, and the world's largest financial centre. 
 Any other sports competitions in London? 
 Would you like to know more about London's economy?
Sure! London is the capital and largest city of England and the United Kingdom. The River Thames runs through the city. London is the biggest city in western Europe, and the world's largest financial centre.