Roots of Knowledge is an art history project that has taken 12 years to complete. It features over 60,000 pieces of stained glass, and looks back at the evolution of life as we know it.
원문출처 : http://www.cnn.com/2016/12/08/arts/roots-of-knowledge-stained-glass/index.html
원문출처 : http://www.cnn.com/2016/12/08/arts/roots-of-knowledge-stained-glass/index.html