Photo taken on Feb. 20, 2014 shows horses running on a grassland in Erenhot, north China's Inner Mongolia Autonomous Region. An activity of horse photography was held in Erenhot on Thursday. [Photo by Asigang/Xinhua]

Photo taken on Feb. 20, 2014 shows photographers taking picture of horses on a grassland in Erenhot, north China's Inner Mongolia Autonomous Region. An activity of horse photography was held in Erenhot on Thursday[Photo by Asigang/Xinhua]