Bunkers, churches, memorials. These are the buildings that are the subject of a photographic series made by the Australian artist Don Cameron (1975). One could find the combination of these subjects a bit strange. At first glance, they are seemingly unrelated: a bunker is a fortification meant to defend the boundaries of a country against invading armies, a church is a place for worship, a memorial is a public expression of an event (or foundational value) that is worth to remember. Nevertheless, if one makes abstraction of their immediate function, there is indeed something common to all of them. All express elementary needs of a society: the need for protection against adversaries, the need to remember foundation- al events or values that define a society, the need for gathering places where people can celebrate their private beliefs. Furthermore, in this particular case, these three types of buildings are also connected by the material that was used in constructing them. All are built using concrete: a novel and modern material that was already abundantly used in European architecture from the 1920’s onwards, but that nevertheless seems a weird choice for the construction of buildings that are supposed to represent the foundational values of a country or political system.