Amazing show documenting the industrial architecture of the 20th and late 19th century in Europe and US. The Beckers' architectural archaeology was embraced by Minimalists and Conceptualists, but stands on its own as extremely skilful and thorough documentation of a lost world never previously considered aesthetically. I was introduced to their work by Sol Lewitt's piece in Artforum (?) back in the 60s or 70s. Today I was particularly taken with the Pennsylvania "tipple" mineheads, shot between 1974 and 1978, ramshackle scaffoldings constructed ad hoc, as needed—"Form genom funktion"—by small groups of independent coal miners. Catalogue available. Show ends April 2!