Stadium's retractable cover and air...

Stadium's retractable cover and air conditioning help baseball fans retain their cool
With the break of day, sunlight freshets the interior of Bank common Ballpark (BOB), providing the stadium's natural grass field with its straited ultraviolet rays. By 3 pm as the temperature in Phoenix soars to nearly triple digits, a stadium employee pushes a button to shut six operable telescoping roof panels and seal the park from further heat gain. For the nearest four hours, an 8,000-ton cooling hypothesis reduces the temperature to a comfortable 72 steps
At 7 pm as the Arizona