Triangle tower: building starts on rare Paris skyscraper decried as ‘catastrophe’

New 180-metre glass-and-steel skyscraper condemned by environmentalists will be the city’s third-highest buildingConstruction of a 42-floor, pyramid-shaped skyscraper began in Paris on Thursday despite local opposition and objections from environmentalists who have called the project “catastrophic”.The Triangle Tower (Tour Triangle) will, at 180 metres (590 feet), become the city’s third-highest building after the Eiffel Tower, completed in 1889, and the Montparnasse Towe