A super-competent skater creates first one then many lines as she swooshes across a virgin piece of ice.

As she does so, she creates loops and swirls and circles of such different thicknesses and strength that it’s almost as if you are ‘seeing’ music. But she also sometimes tumbles.

Is this girl alone, or are there others sharing her pond? Is she real, or imagined? It all depends on the point of view…