Using eggshells for building houses

Did you know eggshells can make your house stronger? They can improve the properties of building materials. And on top of that, they reduce the contribution of conventional materials to climate change. So, many good reason to use them. This is how: https://medium.com/@ErlijnG/how-eggshells-can-be-used-to-build-a-stronger-house-964d53534342

Eggshell are often thrown away, but can be put to good use in construction (credit: Nomad_Soul on Shutterstock)