It is an 18,000 seat indoor arena...
You could, but outdoor arenas are often called menages, an indoor arena can be called a indoor school, or an indoor arena.
in an indoor rink (arena) or outdoor rink
There was one Coliseum. The Coliseum was an arena. But no other arena was a Coliseum. (Sited, Ms. Berryhill.Feb23.2016)
Outdoor Lacrosse is usually played on a grass field but there are some outdoor turf fields. Indoor Lacrosse is played at indoor turf arena.
National Indoor Arena is an indoor arena in United Kingdom and was opened on 1991.
Podium Arena is an indoor arena in Poland and is is under construction.
there are many here are some: supercross arena cross motocross freestyle motocross indoor motocross outdoor motocross
Thursday 29th March 1990 - Nassau Veterans Memorial Coliseum, Uniondale, New York Monday 31st December 1990 - Oakland Coliseum Arena, Oakland, California Tuesday 10th September 1991 - Madison Square Garden, New York Friday 10th December 1993 - Los Angeles Sports Arena, Los Angeles, California Friday 16th December 1994 - Los Angeles Sports Arena, Los Angeles, California
An indoor riding arena is an indoor area where you can ride horses.
While riding in at a riding school either in an indoor or outdoor arena people are expected to pass left to left. Anyone going at a faster gait has the right of way. Slower riders should move towards the inside track and not ride on the rail.
Arena Armeec is an indoor arena in Bulgaria and was opened on 2011.
SAP Arena is an indoor arena in Germany and was opened on 2005.