Ice engraving painting artist-Zhu Xiaodong (4)

Artist Zhu Xiaodong sprays alcohol on an ice slab to prevent ink from being frozen at his workshop in Harbin, capital of northeast China's Heilongjiang Province, Jan. 29, 2016. Zhu is the creator of the ice engraving painting, a rubbing of engraved ice mould. It would takes a day to make a mould in the bitter cold and each mould was able to print out some 20 pages yielding variant results as the ice melted down. (Xinhua/Wang Song)