A solar project in Italy has led to an unexpected discovery buried deep beneath the future energy infrastructure: a sprawling pre-Roman necropolis dating back more than 2,300 years. The find, made during early work connected to a photovoltaic plant near Vasto, also shows how today's clean energy projects can help uncover — and protect — pieces of the distant past. What happened? According to Arkeonews, archaeologists uncovered the burial ground …