OCTOBER 7, 2011, 4:52 P.M. ET.

Wall Street protest functions like a small city .

Associated Press

NEW YORK — The three-week-old campout in a lower Manhattan plaza looks like a jumble of tattered sleeping bags. But volunteers working on food, security, sanitation, first aid and other needs keep the Occupy Wall Street protest functioning.

The protesters say they're modeling the democratic society they would like to create.

Protester Andrew Flinchbaugh (FLIHNCH'-bow) was sweeping the concrete plaza Friday. He joined the group working sanitation. He says the motto is "You see something, you take care of it."

Katie Cristiano was serving donated bagels, doughnuts and scrambled eggs. She works on an organic farm in New Hampshire, so food is her area of expertise.

The medic area was well-stocked with first-aid kits. Registered nurse Amy Cruickshank says she has treated cuts and scrapes and some cases of hypothermia.

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