The first circular pedestrian bridge in Kunming, southwest China's Yunnan province, was recently opened. At night, the bridge looks like a giant shining donut. (Photos: Liu Ranyang/China News Service)

The first circular pedestrian bridge in Kunming, southwest China's Yunnan province, was recently opened. At night, the bridge looks like a giant shining donut.

The first circular pedestrian bridge in Kunming, southwest China's Yunnan province, was recently opened. At night, the bridge looks like a giant shining donut.

The first circular pedestrian bridge in Kunming, southwest China's Yunnan province, was recently opened. At night, the bridge looks like a giant shining donut.