El Anatsui creates sculptures made from bottle caps, a found material from discarded liquor bottles. “What are bottle caps? Liquor. How did liquor come into my culture and what does it mean,” asks the artist in our Season 6 “Change” episode. “When the European traders came to Africa for the first time, they brought things like drink. Because, eventually, drinks were exchanged for slaves.” Season 6 of “Art in the Twenty-First Century” is available on YouTube for the first time ever. New episode s