Slide the City cools Ann Arbor

Riders launch from the start of Slide the City, a 600-foot water slide.

Hundreds of people are seen with their flotation device as they get ready to ride Slide the City.

Riders enjoy the warm weather as they slide down South State Street at the University of Michigan campus for Slide the City.

John Melady, of Livonia, with his son Mason, 6, are ready for sliding action.

A couple react after they their minute ride down the Slide the City.

Hundreds of people lined South State Street in downtown Ann Arbor.

Riders enjoy the warm weather as they slide down Slide the City in downtown Ann Arbor.

Hundreds of people gather outside the Gerald R. Ford School of Public Policy on South State Street at the University of Michigan campus for Slide the City, 600-foot water slide which takes the space of two- football fields on July 4, 2015 in downtown Ann Arbor.

Riders enjoy the warm weather for Slide the City.

South Street is filled with color as people wait their turn for Slide the City.

Ericka Sauld, 9, of Ann Arbor, is all smiles as she slides along South State Street.

Joe Montagano, of Ann Arbor, holds his prized purple dragon "Trogdor" as he waits for Slide the City.

Hundreds line up to ride Slide the City in downtown Ann Arbor.

Chris Montalvo and Kim O'Bryan prepare to use their super-powers for Slide the City.

A family makes a dash to the giant slide.