A staff (R front) introduces an exhibit at a special exhibition on Chinese pillows at Changsha Museum in Changsha, central China's Hunan Province, Dec. 28, 2019. (Xinhua/Xue Yuge)

A woman staff introduces an exhibit at a special exhibition on Chinese pillows at Changsha Museum in Changsha, central China's Hunan Province, Dec. 28, 2019. (Xinhua/Xue Yuge)

Visitors view exhibits at a special exhibition on Chinese pillows at Changsha Museum in Changsha, central China's Hunan Province, Dec. 28, 2019. (Xinhua/Xue Yuge)

Visitors view exhibits at a special exhibition on Chinese pillows at Changsha Museum in Changsha, central China's Hunan Province, Dec. 28, 2019. (Xinhua/Xue Yuge)

A girl sketches an exhibit at a special exhibition on Chinese pillows at Changsha Museum in Changsha, central China's Hunan Province, Dec. 28, 2019. (Xinhua/Xue Yuge)