An exhibition featuring colorful-painted clay cultural relics has been displayed at Emperor Qinshihuang's Mausoleum Site Museum in Xi’an, northwest China’s Shaanxi Province, since Wednesday. /Chinanews Photo

121 items spanning from the Qin Dynasty (221-206 B.C.) to the Yuan Dynasty (1271-1368) are on display, showing the latest achievements researchers made in the preservation and restoration of the colorful paint on the clay sculptures. /Chinanews Photo

Chinese researchers are continuously working on keeping the glow on terracotta warrior’s cheeks. They were reportedly found manmade color of purple and blue from the priceless historical relics for the first time recently, signifying that ancient Chinese craftsmen mastered to synthesis inorganic compound 2,000 years ago. /Chinanews Photo

Thanks to some new technologies used in preservation, visitors will have a chance to see the relics in their original painted colors in the near future, the museum chief Hou Ningbin told Chinese Business View. /Chinanews Photo

It was unthinkable in the past, as the clay relics were quickly lost their color and turned an oxidized gray after being exposed to air dozens of years before. /Chinanews Photo