Explore the fascinating process of chalk production in factory, where number of pieces are created each year. From raw materials to the final product, witness every step of the process as skilled ...

Want to try it out but don't feel like buying it from a store? Well, you are in luck because you can actually make your own ...

But is that enough to ensure its future? We visited Sejongmall, where Hagoromo chalk is made, to find out. More from So Expensive Hagoromo has been described as "the Rolls-Royce of chalk." ...

Its coastline has examples of large scale landforms. For example: The soft rock is made of clay and sands, and the hard rock is chalk and limestone. As erosion processes take place, the clay ...