The phrase "arenas filling" is correct and usable in written English.
It can be used to describe the process of arenas becoming occupied or crowded, often in the context of events or gatherings.
Example: "As the concert time approached, the arenas filling with excited fans created an electric atmosphere."
Alternatives: "venues filling" or "stadiums filling".
And unlike most of the fabulously rich, he'll be displaying his work habits in big-city arenas filled with demanding fans expecting their money's worth.
This was especially true in America, where arenas filled up with crowds shouting for more, which was precisely what these bands were designed to deliver.
Woven into the scenes of debauchery are bucolic shots of the campus with flags waving in the breeze, the football stadiums or hockey arenas filled with athletes and cheerleaders, and the local university swag shops.
Even as Trump holds court in large arenas filled with thousands of cheering supporters, he also has been giving rich financiers and business executives up-close access, helping cultivate the kind of big-money outfit he once derided.
Unlike arenas filled by legions of Kanye and One Direction fans, smaller venues often have trouble selling out.
Montreal-based design collective Daily Tous Les Jours built a public art installation that could feasibly turn playgrounds into a multisensory arenas filled with light and sound or at least encourage some next-level iteration of music chairs. .
Tens of thousands of performers flood the arena – filling it from corner to corner with practiced precision and waving their arms ecstatically in unison while grasping giant Kimjongilias (a vivid vermillion-coloured flower named after Kim Jong Il).
The arena filled with raucous cries of "U-S-A!
The more he wrestled the more the arena filled with boos.
The Lakers remember only anguish, and an arena filled with the scent of cigar smoke, a tribute to Auerbach.
