The aerial photo taken on Feb 7, 2017 shows night scene of Harbin Ice-Snow World in Harbin, capital of Northeast China’s Heilongjiang province. The ice-snow world, covering an area of 800,000 square meters, displayed some 2,000 groups of ice and snow landscape. [Photo/Xinhua]

The aerial photo taken on Feb 7, 2017 shows night scene of Harbin Ice-Snow World in Harbin, capital of Northeast China’s Heilongjiang province. The ice-snow world, covering an area of 800,000 square meters, displayed some 2,000 groups of ice and snow landscape. [Photo/Xinhua]

The aerial photo taken on Feb 7, 2017 shows night scene of Harbin Ice-Snow World in Harbin, capital of Northeast China’s Heilongjiang province. The ice-snow world, covering an area of 800,000 square meters, displayed some 2,000 groups of ice and snow landscape. [Photo/Xinhua]

The aerial photo taken on Feb 7, 2017 shows night scene of Harbin Ice-Snow World in Harbin, capital of Northeast China’s Heilongjiang province. The ice-snow world, covering an area of 800,000 square meters, displayed some 2,000 groups of ice and snow landscape. [Photo/Xinhua]