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

At 180 metres tall, pyramid-shaped glass and steel skyscraper will be city's third-highest building

Construction 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 (590ft), become the city's third-highest building after the Eiffel Tower, completed in 1889, and the Montparnasse Tower, which opened in 1973.