Swoon! London City Ballet are positively glowing in a night of dreams – and ghosts from dance history

<p><strong>Sadler’s Wells, London</strong><br>Alina Cojocaru astonishes in John Neumeier’s Ghost Light, an ethereal meditation on time, while Glen Tetley’s Firebird has much to cherish</p><p>A ghost light is the name for a single lamp left on stage when a theatre