Blue Holes in the Bahamas
Blue holes are cave systems, flooded with sea water. How did these geological treasures develop thousands of years ago? Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Reiner Bauer, Oliver Gurr/Oliver Roetz, Philipp Klein/Hauke Ketelsen/Richard Sako Translation and redub: alugha Click here to see more videos: https://alugha.com/TerraX