國家地理.水下地球earthunderwater

Imagine a world where sea levels have risen by 20 feet. Cities flood and coastal regions disappear. Travel to Greenland where scientists are investigating if this nightmare could become a reality .

《國家地理.水下地球earthunderwater》的基础信息更偏纪录片，简介里的“Imagine a world where sea levels h...”提供了第一层判断，剩下可以再看主创和年代。