My city & London

I will compare in my city (Riyadh) and London:
1- My city is hotter than London.
2- London is more population than my city.
3- London is more expensive than my city.
4- London is bigger than my city.
5- My city is as crowded as London.

Landmarks in my city:
1- Fort Musmak.
2- National Museum.
3- King Abdulaziz Historical Center.
4- Kingdom Tower.
5- Faisaliah Tower.

Landmarks in London:
1- London Eye.
2- Big Ben.
3- Piccadilly Circus.
4- Wembley Stadium.
5- British Museum