Greenhouse. In films, TV shows, and other popular culture references, police officers are associated with doughnuts, depicted as enjoying them during their coffee break or office hours. This cliché has been parodied in the film Police Academy 4: Citizens on Patrol, where Officer Zed is instructing new recruits how to "properly" consume their doughnuts with coffee. It is also parodied in the television series Twin Peaks, where the police station is always in large supply. In the video game Neuromancer, there is a Donut World shop, where only policemen are allowed. During a citywide "lockdown" after the Boston Marathon bombing, a handful of selected Dunkin' Donuts locations were ordered to remain open to serve police and first responders despite the closing of the vast majority of city businesses. Cops & Doughnuts, a doughnut shop in Clare, Michigan, is notable for being owned and operated by current and former members of the city's police force. Tim Hortons is the most popular Canadian doughnut and coffee franchise, and one of the most successful quick service restaurants in the country. In the Second City Television sketch comedy "The Great White North" featuring the fictional stereotypically Canadian brothers Bob and Doug MacKenzie (and in their film Strange Brew), doughnuts play a role in the duo's comedy. Industry by country Australia Donut King is Australia's largest retailer of doughnuts. A Guinness Book of Records largest doughnut made up of 90,000 individual doughnuts was set in Sydney in 2007 as part of a celebration for the release of The Simpsons Movie. Canada Per capita, Canadians consume the most doughnuts, and Canada has the most doughnut stores per capita. United States Within the United States, the Providence metropolitan area was cited as having the most doughnut shops per capita (25.3 doughnut shops per 100,000 people) as of January 13, 2010. National Doughnut Day celebrates the doughnut's history and role in popular culture. There is a race in Staunton, Illinois, featuring doughnuts, called the Tour de Donut. Pink boxes In the US, especially in Southern California, fresh doughnuts sold by the dozen at local doughnut shops are typically packaged in generic pink boxes. This phenomenon has been attributed to Ted Ngoy and Ning Yen, refugees of the Cambodian genocide who began to transform the local doughnut shop industry in 1976. They proved so adept at the business and in training fellow Chinese Cambodian refugees to follow suit that