Congress has been warned.

Four ministers in Brazil have resigned since January after being implicated in corruption, and on Wednesday, protesters showed they've had enough.

Protesters planted 594 green and yellow brooms right in front of Brazil's Congressional building each representing the colors of Brazil's flag, and one for every representative. The brooms are symbolic of their demands that Brazil's legislators sweep out corruption.

The brooms are green and yellow, the colors of Brazil's flag, and there is one for each representative. They were planted in front of Congress Tuesday night so the 513 members of the House and the 81 senators could see them Wednesday morning.

The protest was organized by the groups March Against Corruption and Rio for Peace, which have organized similar protests recently.

Tens of thousands have taken part in anti-corruption marches in the last month. 

Based on reporting by the Associated Press.

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