Fiona Wilson, right, at the Centric3Tribes Gym in London, with fitness instructor Melissa Power (top by Adidas, leggings by We Are Handsome) DAVID BEBBER FOR THE TIMESOn a Friday night in London, twentysomethings are packing themselves into a dark basement. The lights are low, the music is loud and the room is buzzing in anticipation. Finally, a woman walks on to the stage and the room erupts. You might think we are in a nightclub, but we’re not. We are at 1Rebel, a fitness studio in the City, about to do a spin class.

Source: The Times March 13, 2017 00:04 UTC