Intimacy, but re-plotted. At Southbank Centre, Rambert and LA(HORDE) turn the site into a moving score. At Somerset House, Virtual Beauty studies the ache between screen and self. At Piccadilly Circus, IWM screens Es Devlin and Machiko Weston’s I Saw The World End, a public memorial in light. London tests how closeness can exist without touch, how memory can be shared in air.