Salı, 14:10

Engineering Reborn

First constructed in the 1930s, the West Side Line - an elevated viaduct section of the New York Central Railroad, freighting goods to storage and construction companies in Manhattan - was abandoned in the 1980s. But since 2009, it's been totally revitalised, and grown into a modern icon of contemporary architecture. The railway line is now home to The High Line - a 2.5km-long park in the sky, running across the original railway line. But how do you keep thousands of plants watered just metres above the busy New York road?