Protesters marched from the Auraria campus to Civic Center Park.

Protesters marched from the Auraria campus to Civic Center Park.

Protesters marched from the Auraria campus to Civic Center Park.

In Civic Center park the demonstrators, dressed largely in black, prostrated themselves in a "human oil spill."

In Civic Center park the demonstrators, dressed largely in black, prostrated themselves in a "human oil spill."

The youth hip-hop group Earth Guardians energized the crowd with a performance.

Representatives of the Idle No More movement were in attendance.