KTG Sangsang Madang - Cultural Art Center in Seoul, Korea

The Sangsangmadang is located right in the middle of the Hongik University district, better known as the Hongdae area. This is the city’s main student area and it’s a cauldron of vibrant energy and creativity. The eleven-story Sangsangmadang building houses a cinema, live performance hall, art gallery, and studio. On the first floor there is an art square, which displays and sells crafts and accessories handmade by designers. [Source]

The Musgum shell homes

The Musgum, a people from northern Cameroon, build their homes from compressed sun-dried mud, a variant of cob. The tall conical dwellings are called 'cases obos' because of their similarity to the profile of a shell. They feature geometric raised patterns which are used as a footholds to stand on while building and maintaining the house. [Source]