Pedestrians walk in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents. Photo: Xinhua

Pedestrians walk in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents. Photo: Xinhua

A pedestrian walks in snow with an umbrella in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents. Photo: Xinhua

Vehicles travel in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents.  Photo: Xinhua

Pedestrians walk in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents.  Photo: Xinhua

A man walks in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents.  Photo: Xinhua

Pedestrians walk in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, April 2, 2016. Snowfall hit the city on Saturday, causing inconvenience for local residents.  Photo: Xinhua