"I'm a double macchiato drinker," he says proudly and without hesitation as he sits in a busy Costa on Regent Street in central London, among those taking a break from their early Christmas shopping.

“我的最爱是双重玛奇朵！”John不带一丝犹豫并骄傲地说，而这时的他正坐在伦敦中心区Regent大街上一家繁忙的Costa咖啡吧内，周围坐着那些想从忙碌的圣诞购物中小歇一下的人们。

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The police said the number of reported "street drinker events", including crimes and anti-social behaviour, had dropped by 49% in that time.

BBC: Street drinker PHOTO: Thinkstock