A SENSATION OF PARALLEL TIME, of one eye fixed on the present and the other focused on the past, of one ear hearing the moment and the other distant echoes, was there from the beginning of the project. Nuremberg 1945, San Miguel de Allende 1991. The two places might as well have been on different planets. The old colonial town clinging to Mexico’s Sierra Madre Occidental is something of a demiparadise, if the country remains reasonably stable. The other, in 1945, was the city as cemetery, with rubble for monuments and the stench of death in the air. What could link these two places and eras?