Naked farm workers staged a mass invasion of the Mexican senate as part of a land row.
Some 150 naked protestors broke windows, seats and tables, according to Terra Noticias Populares.
They left only after the senate's vice president Carlos Chaurand guaranteed he would carry out their demands.
The men and women also appeared naked or in their underwear on the corners of the main streets of Mexico City.
Their main claim is that a decree, signed by former president Carlos Salinas who left power in 1994, be put in action.
The decree donates land to the workers who are part of the "400 People" movement.
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