Inside West Ham's new home: how football came to 2012's Olympic Stadium, Olympic Stadium
15 Most Famous & Iconic Stadiums in London
New Wembley Stadium nods to its forebearer, seeks own history - Sports Illustrated
The NFL just played its first game at a new London stadium with a retractable pitch
USA: NFL knocks on German stadiums' gates –
London Stadium - Wikipedia
England: America's Pastimes Makes Moves Towards Permanency in London –
The NFL just played its first game at a new London stadium with a retractable pitch
How close is London to getting an NFL franchise? - ESPN
Tottenham Hotspur Stadium by Populous is best stadium in the world
Footage released of unique pitch transition at Tottenham Hotspur Stadium from football to NFL
The New Tottenham Hotspur Stadium