LocationπΏπ¦South AfricaYear2009MaterialsBiblio(Bradley & Gohnert, 2016)Mapungubwe Interpretation Centre / Peter Rich ArchitectsText description provided by the architects. Last year, architectural photographer Iwan Baan took a trip to South Africa to visit the Mapungubwe Interpretation Center designed by Peter Rich Architects.www.archdaily.comThree lessons from the Mapungubwe shellsShell structures show several unique structural attributes, which promote their use when material and economic efficiency is required. The principal advantage of shells is that forces are largely transferred through in-plane action (i.e. axial forces), with only limited bending and shear forces.www.scielo.org.za