bar, before you get the live game action, the stadium starts to become part of the party. reporter: because the stadium is just three miles from l.a.x., construction teams were forced to dig deep, setting the bowl 100 feet below street level to comply with faa height restrictions. the the massive 70,000-seat stadium was a crucial part of the nfl s return to los angeles. we needed to have a state-of-the-art stadium that gave us a wow factor, that gave us the ability to put on these big events. with this just the start, sofi stadium already slated to host next year s college national championship, the 2026 world cup, and the 2018 olympic ceremonies. i hope it feels familiar when they come in the building, like they feel it s like southern california. it s a fast field, it s a fast stadium, and hopefully the game will be quite compelling. reporter: and, alex, that indoor/outdoor concept will get a major test today. we know that the temperatures, highs are expected to be in the