An employee of the Zhenjiang Vinegar Culture Museum illustrates the craft of vinegar-making to audience through livestreaming, Zhenjiang city, Jiangsu province, April 20, 2020. In light of the current epidemic control situation, the museum has chosen to make good use of digital technology, trying to introduce local vinegar culture to people through livestreaming. Zhenjiang is a major vinegar production area in Jiangsu province.[Photo/Xinhua]