China's Yinshan Rock Carving Art exhibition heads to Athens

Visitors learn the art of rubbing during the Yinshan Rock Carving Art exhibition in Athens, Greece on April 11, 2019. The Yinshan Rock Carving Art exhibition from China was launched at the Michael Cacoyannis Foundation here on Thursday to introduce the primitive art of petroglyph to Greek audience. (Xinhua/Marios Lolos)