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 .
20100.0
20100.0Imagine 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 .
