The Time Warner Cable Arena can seat about 20,000 people.
Some delegations are seated on the floor, while others are sitting in the lower levels of the arena.
The stage at the DNC features tall display screens, showing videos and information about guests.
Several cameras are lined up along the floor to capture preparations for Wednesday night's session.
A view of the floor and stage from the lower levels.
Radio broadcasters from all over the country are set up in several areas known as "Radio Row," where they anchor their programs and conduct interviews.
Many TV news crews are taking advantage of new technologies that allow them to uplink their live signals with a special backpack.
iPads are giving members of the media and delegates a way to stay connected, and even conduct interviews.