MILAN, Italy (AFP) — Artist Christo’s floating walkway on a northern Italian lake has been closed at night because of wear-and-tear inflicted by the 270,000 visitors who have flocked to see it in less than five days. The three-kilometre-long (1.9-mile) walkway of 200,000 floating cubes covered in orange fabric has proved a major hit with the public since it opened on Lake Iseo on Saturday. But plans to keep “The Floating Piers” open day and […]