Numbers of sunflower sea stars have crashed in recent years, but researchers in California are working to restore the species.
원문출처 : https://www.cnn.com/videos/world/2021/11/25/sunflower-sea-star-kelp-disappearing-oceans-c2e-spc-intl-ldn-vpx.cnn
원문출처 : https://www.cnn.com/videos/world/2021/11/25/sunflower-sea-star-kelp-disappearing-oceans-c2e-spc-intl-ldn-vpx.cnn