By chance, I took the route that I previously proposed, from Vienna to Menton, but I went a bit further away, and with some changes. The starting point wasn't Vienna Central Station, but a secondary station in Vienna called Meidling Bahnhof. It was recently renovated and I was curious about the results. I'll start posting brief notes in the next days. Until then, here's Meidling Train Station. Small but nice and more peaceful, rarely with tourists.