‘The snow makes the cityscape so flawless’: Cocu Liu’s best phone picture

The photographer braved the cold to capture this striking shot - before Chicago's salt machines could melt all the snow away

When a winter storm ends in Chicago, the temperature rises just enough for Cocu Liu to take a brisk walk. Armed with his thickest coat, the photographer was passing over the Michigan Avenue Bridge when he stopped to shoot the ice floating on the river beneath, and an anonymous passing man.

I was drawn to the simplicity and the composition, the contrast of left and right," he says. Because of the wind chill, before and during a storm the weather is too bitter. But I love the four seasons, and especially the snow, so I always made the effort to head out."