City of Montreal blue collar workers clean the streets and sidewalks of Montreal. A citizen cleans his sidewalk. Garbage in an alley. Context: the City of Montreal is spring cleaning. This important operation includes not only blue collar workers but also the neighborhood residents. CU Parking restriction sign "Monday Thursday 12h - 1 PM, March to December". CU Water from the tractor to clean the sidewalk. MS A procession of tractors cleaning the sidewalk Keywords: GARBAGE,MUNICIPAL PUBLIC SERVICE,MONTREAL (CITY),ALLEY