Reviving dying languages in Japan and South Korea

Being at a loss for words is taking on a whole new meaning. Thousands of languages around the world are on the brink of extinction, including in South Korea and Japan. Teresa Tang speaks to CNA's Lim Yun Suk and Michiyo Ishida about efforts to preserve them.  See omnystudio.com/listener (https://omnystudio.com/listener) for privacy information.