Blowhole
This is a man-made shaft which is linked to a sea cave, and was engineered in the hope that sand would be brought up by the action of the waves to be used as fertilizer.
External Links:
https://www.facebook.com/watch/?v=289247548769256
This is a man-made shaft which is linked to a sea cave, and was engineered in the hope that sand would be brought up by the action of the waves to be used as fertilizer.
External Links:
https://www.facebook.com/watch/?v=289247548769256