A rainbow is seen over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP) (Photo by MIGUEL MEDINA/AFP via Getty Images)