A large crowd of protesters (some holding signs and many holding American flags) gather in downtown Dallas, Texas. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

Protesters carry signs in front of Dallas City Hall. They are against the anti-immigration legislation being debated in the U. S. Congress.

Protesters carry signs outside Dallas City Hall during a demonstration against anti-immigration legislation being debated in the U. S. Congress.

Two female immigration protesters carry a large banner while a male protester wearing a sombrero marches behind them. They are all surrounded by other protesters waving signs and American flags. According to the Dallas Police Department, at least 100,000 people marched in the most well-attended civil movement in the history of Dallas. The protesters demanded the legalization of Hispanic undocumented immigrants, estimated to be about twelve million in the United States. The so-called "mega march" was carried out to demand immigrant amnesty as members of the U.S. Congress debated immigration reform.

The demonstration is reflected in windows of Dallas City Hall behind protesters carrying signs. They are against anti-immigration legislation being debated in the U.S. Congress.

Protesters carry signs that read, "Humans are not Illegal" and "I Have a Dream Too." They are demonstrating against anti-immigration legislation being debated in the U. S. Congress.

Protesters carry signs as the crowd is reflected in the windows behind them. They are demonstrating against anti-immigration legislation being debated before the U. S. Congress.

Protesters hold signs while the image of the crowd is reflected in the windows of Dallas City Hall. They are against anti-immigration legislation being debated in the U. S. Congress.

Women hold up signs during a demonstration against anti-immigration legislation being debated in the U. S. Congress.

Protesters hold signs up during a demonstration against anti-immigration legislation before the U. S. Congress. One sign reads, "Humans are not Illegal."

A protester holds up a sign during a demonstration against anti-immigration legislation being debated in the U. S. Congress.

Three women hold up signs during a demonstration in Dallas, Texas against anti-immigration proposals before the U. S. Congress.

Two men stand in front of protesters carrying sign and a Mexican flag. The demonstrators are marching against anti-immigration legislation.

Protesters raise signs while demonstrating against anti-immigration legislation. One sign reads, in part, "We Mexicans are Not Immagrents [sic] We are on Our Home..."

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A man addresses a crowd while flags and signs are raised around him. The protest was against anti-immigration information.

Protesters carry banners and signs to show their rejection of anti-immigration legislation being debated in the U. S. Congress.

A woman hold up a sign that reads, "Vote 4 Dream Act." She is part of a demonstration against ante-immigration legislation in Dallas, Texas.

A Mexican flag is carried in front of a line of marchers demonstrating against anti-immigration legislation.

Signs are carried by marchers protesting anti-immigration legislation. Two of the signs read, "We Are Not Divided But United, No HR 4437" and "We Want Another Amnesty."

Protesters hold up signs in front of Dallas City Hall. One sign reads, "Immigrants Help Build America."

Cameramen and reporters work to gather information and images of a crowd of protesters and their children. The protest was against the anti-immigration proposals being debated in the U. S. Senate.

A female protester is interviewed while a cameraman films children behind her. They are gathered in Dallas, Texas to show rejection of the anti-immigration proposals being debated in the U. S. Senate.

Thousands of Hispanics united in protest on Saturday in front of the City Hall of Dallas against the anti-immigration measures which would endanger undocumented immigrants.