Hyde Park, London, April 19th 2015. Hundreds of cannabis users and their supporters gather at Speaker's Corner in Hyde Park for the annual London 420 pro-cannabis rally, under the watcful eye of Metropolitan Police officers, who kept a reasonably low profile, allowing the rally to continue without any serious incidents. Credit: Paul Davey/Alamy Live News

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Photo credit: © Paul Davey / Alamy / Afripics
License: Licensed
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Keywords: alternative, cannabis, crowd, dope, drug, drugs, ganja, hemp, illegal, leagilse, legal, medical, norml, police, policing, protest, rally, reform, smoking, stoned, stoners, uk, weed, youth