A UK organisation called Hubbub which has a focus on minimising rubbish and waste has come up with a revolutionary solution to clear up the litter on London's streets. Their "Neat Streets" campaign uses interactive and playful street displays such as opinion polls and join-the-dot type artworks to get people to put their used gum and cigarette butts off the streets and into bins.
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Photos taken from Twitter, account names have been credited under photos.