ago," said Louise Purup Nøhr, a guide at the GeoCenter Møns Klint. She explained that the chalk layer underlying Denmark was created by microscopic algae that had shells; when the algae died, their shells sank to the seabed and helped form the chalk layer. The cliffs are one of the few places where you can see the exposed material.
อ่านต่อเพิ่มเติม > โรงเรียนบ้านทุ่งตำเสา
สาระน่ารู้ > ผมสวย