At a Seattle sports bar on a recent Saturday night, hundreds of unusually tall people experienced a rare sensation: blending in. Women in their highest heels found themselves looking up, while men accustomed to ducking under doorways appeared unremarkable. For once, the perennial question about playing basketball was left unasked. This unique gathering was part of the 'Tall Tour', a burgeoning travelling meetup that has drawn thousands across the United States , celebrating the physical trait that has made them stand out — for good and ill. Since its launch last summer, the tour has visited 19 cities, with crowds swelling from an initial 30 people in Tampa , Florida , to some 4,000 in Orlando , according to organisers. Seattle drew around 750, they said. Tyler Bergantino, the tour’s 6ft 9in founder who wears a size-16 shoe, articulated the profound impact of these events.…