This method is used to determine the "coke capital". In 2016 the city of Antwerp in Belgium took the first place from London. http://www.bbc.co.uk/newsbeat/art

This method is used to determine the "coke capital". In 2016 the city of Antwerp in Belgium took the first place from London. http://www.bbc.co.uk/newsbeat/article/38328107/london-is-no-longer-europes-cocaine-capital-with-antwerp-taking-over http://www.bbc.co.uk/newsbeat/article/38328107/london-is-no-...