The board uses the same technology that is used at most outdoor professional stadiums.
Despite being called an arena, it is technically an outdoor stadium.
He said leakage was common in outdoor stadiums and the team's operations staff would look into the problem.
Most of the leg's 31 shows are in outdoor stadiums.
During the 1990s more land was bought and an outdoor stadium was built.
At first, the multipurpose outdoor stadium was designed to hold 25,000 people.
The main sports structure will be the 60,000-seat, multi-purpose outdoor stadium.
A larger, outdoor stadium designed by Nervi is just yards away.
The horseshoe-shaped outdoor stadium opened to the east and seated 10,000.
Thousands of army troops ringed the large outdoor stadium where the concert took place.