The pile, over 10ft tall and just as wide in clear plastic bags,demonstrates how much street litter is collected each day at a cost of £4m ayear.
The council says that cost is the equivalent of running a library service for a year; repairing 100,000 potholes; providing 210 residential care places for the elderly; or building half a primary school.
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London's mayor has launched a campaign to inform Londoners about tips to cope with air pollution.
Three-quarters of Londoners think their area is undergoing a housing crisis, according to a poll from the Chartered Institute of Housing.
The London Mayor has made some forthright comments about Britons who have been lured to join Islamic State.