Visitors watch an artisan making a vase at the exhibition "Porcelain Journey along Silk Road - On Site Performance of the Traditional Porcelain Shaping Technique" in Athens, Greece, on Dec. 20, 2019. The exhibition of more than 100 porcelain artworks from east China's Jingdezhen opened here on Friday, including antiques dating back to four centuries ago, as well as contemporary works by Chinese artisans. (Xinhua/Marios Lolos)