What to expect in the Snake Pit

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Women wear the stars and stripes in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans toss a giant checkered beach ball in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans kiss in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans are pulled from the front of the stage by security in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Justin Packwood wears his motorcycle helmet in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

A fan is escorted from the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

A security guard watches the crowed in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans toss an inflatable snake, in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

A fans dances in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Female fans hug in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans pose for a photo in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans pose for a photo in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Water cannons spray the crowd in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans pose for a photo in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans rest against the sign in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans sit on the hill in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans pose for a photos in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

A fan wears the stars and stripes in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Kaskade DJ's in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Fans dance by the stage in the Snakepit, during the 99th running of the Indianapolis 500, Sunday May 24th, 2015.

Mike Masterson, of Noblesville, dances in the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

A crowd member in the "Snake Pit" drinks beer during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

Kaylee Johnson, of Indianapolis, wear a large mouse mask dances in the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

A crowd member takes a selfie above the crowd at the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

(From left) Steve Burlingame, Meagan Barron, Ciara McNally and Meredith Barron pose for a picture together in the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

(From left) Angie Sosa poses for a picture with girlfriend Wendy Hernandez, of Indianapolis, in the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.

Steven Tinsley, of Michigan, wears an American flag suit with a GoPro on his chest in the "Snake Pit" during Steve Aoki's performance at the turn 3 infield stage before the 99th running of the Indianapolis 500 at the Indianapolis Motor Speedway, Sunday, May 24, 2015.