Green brooms sweep clean

I just got back from a trip to Beijing and I noticed that the parks and places of interest I visited are very clean. How did they managed that? Nothing high tech. Just some sweepers with brooms they improvised from bamboo stick and branches.





Here is another version of a bamboo broom.



What else can one do with a bamboo broom? Check this out.



Bamboo plants don't grow in your country? There are alternatives.