You may have seen this, but I just stumbled across it:
https://www.youtube.com/watch?v=AbAal7jIWQ4
A humorous look at London airports past, present and possibly future.
Enjoy - or not
Why London Has So Many Airports
Moderators: Guru's, The Ministry
Re: Why London Has So Many Airports
Funny guy/skit yet informative to boot. He didn't mention a considered area long ago around the Fairlop & Hainault areas in East London which is also very flat (near to Hornchurch Aerodrome where I used to live and walk the dog - the pill boxes are still there and smell of piddle - well it is Essex after all 
)
)Alex
Re: Why London Has So Many Airports
Enjoyed that. Thanks for the link. 
A brief cameo made by SimCity, and a poke at London City Airport. What more could you ask for? 
Brian
A brief cameo made by SimCity, and a poke at London City Airport. What more could you ask for? Brian