This article is more than 3 years old Chanel threatens to close perfumery over high-speed rail plans This article is more than 3 years old -- Chanel has threatened to close its perfumery in the French city of Grasse over plans for a high-speed rail line, which it claims threatens the flowers used to make its best-known fragrance, Chanel No 5. -- In a strongly worded open letter to planners, Chanel said a viaduct to carry trains over the picturesque Siagne valley would be a disaster. “The construction of a viaduct and the regular passage of high-speed trains over these fields of flowers would force Chanel to cease supporting its artisanal activities in the region,” the label said. -- Despite its high tourist numbers, the Côte d’Azur is one of the worst served by the country’s high-speed rail network. The journey time from Paris to Nice is about six hours.