Dan Giannopoulos has been photographing discarded drug bags in London since 2013. He plots the exact location of each one on a map in an attempt to chart patterns of drug use across the city. He focuses on areas close to where he lives, on the outskirts of London and South East London. This baggie was found in Charlton Park (51.479756, 0.043566).
Creton Street, Woolwich (51.492240, 0.065682)
Blue: Sun In The Sands Roundabout (51.474864, 0.024213); Red: Heathway, Blackheath Standard (51.476314, 0.018183); Yellow: Trafalgar Tavern, Greenwich (51.484530, -0.004108); Green: Maze Hill, Greenwich (51.482201, 0.001911)
Top left to bottom right: Crescent Road, Woolwich (51.486534, 0.069154); Nuxley Village, Belvedere (51.480285, 0.143797); Broadwater Green, Plumstead (51.492860, 0.084432); Nathan Way, Plumstead (51.494322, 0.095901)