The village of Beli Plast in Bulgaria has a very specific natural phenomena.  There you can find a huge stone mushrooms. There is a dozen of those strange looking ‘mushrooms’ in Beli Plast and they are limestone boulders. The largest of them is three meters height.

Those mushrooms were created as an consequence of erosion caused [...]

Most of us are convinced that house should be built from regular and expensive materials and most of us believe that alternative materials are often not so stable and quality.When you have enough money then you really do not have a reason for an alternative but when you live in poor part of Mexico then [...]