For artists and poets, the ‘Roman walk’ was a sublime experience, where the emulation of ancient splendour produced an inner catharsis. Meanwhile, for architects it became fertile territory for the imagination, where the accumulation of layers and objects provided the material for projecting a new city. The eternal city appears as an interrupted dream, suspended in a time in which past and future have no sequence. The perpetual presence of antiquity triggers a unique method to interpret and read history, inherent to the city itself: Rome allows no orderly succession of ‘rebirths’, no vanished civilizations. Rome privileges continuity. Ruins fascinate us because they return to their original, elemental nature: only form and only mat...