Video (3:02): Tim Flynn, founder of Queer Tango London (following) dancing with Ray Batchelor at Barcode, a gay bar in Vauxhall, south London in 2012. “Tim and I were just warming up before everyone else arrived for the class and práctica, and Gary Hawkins, just caught us on his phone. Its a converted Victorian railway arch. Listen carefully and you can hear the trains rumbling.”