Photo taken on Dec 20, 2021 shows the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province. The Hukou Waterfall, located on the border area between North China's Shanxi and Northwest China's Shaanxi provinces, formed spectacular winter scenery as temperature continued to drop in recent days. [Photo/Xinhua]
Aerial photo taken on Dec 21, 2021 shows a rainbow and the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province.[Photo/Xinhua]
Aerial photo taken on Dec 21, 2021 shows a rainbow and the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province.[Photo/Xinhua]
Aerial photo taken on Dec 21, 2021 shows a rainbow and the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province.[Photo/Xinhua]
Aerial photo taken on Dec 21, 2021 shows a rainbow and the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province.[Photo/Xinhua]
Photo taken on Dec 20, 2021 shows the scenery of the frozen Hukou Waterfall on the Yellow River in Northwest China's Shaanxi province.[Photo/Xinhua]