The Guardian - Fence and message boards put up at Twemlow viaduct, where One Direction singer is said to have had his first kiss. It has survived two world wars and nearly 200 years of northern English weather mp;#150; but nothing threatens critical infrastructure like a Harry Styles fan.A Grade II-listed railway viaduct in rural Cheshire has had to be guarded by a wall to stop souvenir-hungry Harries damaging the 183-year-old structure.