Impact of French society: towns such as Chartres are becoming "TGV commuter belt"; Brussels - Paris in 90 minutes has increased commuting between the two capitals; likewise Paris - Marseille time greatly reduced recently
Impact of the building of the lines: many years of wrangles over the Lyon-Marseille line
... + 2 H2S → CH2O + H2O + 2S
Some of these produce globules of sulfur as a waste product instead of oygen, while others further oxidize it, producing ...