Six girls living along the Amazon, Nile, Mississippi, Danube, Ganges, and Yangtze rivers learn about water and sustainability and use their newfound education to protect their communities and homes. 展开全部
Six girls living along the Amazon, Nile, Mississippi, Danube, Ganges, and Yangtze rivers learn about water and sustainability and use their newfound education to protect their communities and homes. 收起全部
Frank Drake Carolyn Porco John Casani Lawrence Krauss Timothy Ferris Edward Stone Nick Sagan Larry Soderblom Charley Kohlhase Fran Bagenal James F. Bell Frank Locatell Suzanne Dodd Jon Lomberg Heidi Hammel