Finally, Piazza Metallica also works with ideas of temporality and memory: the landscape architects took 49 steel plates that formerly lined the foundry pits at the site (Diedrich, 70) and installed them to mark a gathering place, intended for events and performances. However, the steel plates are not meant to last; rather, they will gradually erode and decay, portraying the natural processes occurring in the site (Steinglass, 129). In a way, this piazza represents the site as a whole: as this steel decays (like the other steel on the site), more grass will grow between them. The plants will eventually fill the space, with the remains of the rusted steel amidst it.