Police form a human wall to keep protesters from progressing down Broadway.

Police arrested two men who were riding in the open back of a Budget rental truck, which was carrying 20 new military tents bought by the protesters. Officers ultimately commandeered the truck, as well.

An Occupy Wall Street "medic" treats a protester, who was allegedly sent hurtling headfirst into a marble wall during a confrontation with the police, according to other occupiers.

Occupy Wall Street's rallying cry is the phrase: "We are the 99 percent!" But new data compiled by The Guardian suggests the numbers may actually be 99.9 percent... versus the 0.01 percent of America's most wealthy.

Police surround a WikiLeaks truck rumored to contain blankets for the protesters. Occupiers claimed officers eventually arrested the driver for not having his headlights and windshield wipers on, then commandeered the truck because they were unable to obtain a search warrant for it.

Protesters flood into Union Square.

The protester has been named Time magazine's person of the year 2011.

Two days after being confiscated by the police, Occupy Wall Street's much-ballyhooed library makes a cameo appearance at Union Square.

Police officers scramble to erect a barricade to stop protesters' progress on Fifth Avenue.

Protesters stand atop barricades and other stationary objects, as their progress is impeded by NYPD barriers.

The protest restrictions included in the Federal Restricted Buildings and Grounds Improvement Act of 2011 have already been on the books since 1971.

Protesters ditch Fifth Avenue after police block it, cutting around 15th Street.

Occupiers show off their signs in Foley Square.

Occupiers chant and wave to cars as motorists drive across the Brooklyn Bridge.

The familiar sight of police in riot helmets greets protesters as they step off the Brooklyn Bridge.