Street art made from scraps of tree bark has given Xining in northwest China’s Qinghai Province an unusual city landmark. /Chinanews Photo

Materials that would once have had local sanitation workers frowning on the sidewalks have been collected, sorted by color and laid out in a beautiful display. /Chinanews Photo

The mass of bark provides a welcome smell of plants now that most of Xining’s trees have been wrapped up to survive the plunging temperature. /Chinanews Photo