For spectators and TV viewers tuning into coverage of F1's US Grand Prix, it's been hard to miss.
Turn 1 of the Circuit of the Americas has a distinctly different look to it this year with the addition of a mammoth multi-storey clubhouse.
Connected to the main paddock area via a cable car that crosses the track, this weekend the new hospitality structure serves as an extension of F1's swanky Paddock Club.
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