Level 61

So, you are probably very confused right now, aren’t we? Well, sit back, relax, and enjoy as I tell you the whole story about the Zanetti train.
Let's start from the beginning, that is, from the Rome station. It is July 14th, 1911… Everyone on board! 
Previous to that day, the Zanetti railway company had made an important advertising campaign for the maiden voyage of a new tourist train, consisting of the locomotive and 3 luxurious wagons, which would take passengers from the capital to Milan, passing through the spectacular campaigns of Lazio, Umbria, Tuscany, Emilia-Romagna and Lombardy. It should be noted that, between Emilia and Lombardy, the train had to go through a tunnel about one kilometer long which at the time was considered the longest tunnel ever dug in a mountain. An engineering prodigy, therefore. For the maiden voyage, Zanetti had selected 100 passengers from the local upper class and members of some families of the railway company. 6 other people accompanied them, including train drivers and on-board staff. Whistle from the Station Manager, and left the station.
The train moved slowly along its route to allow the elegant passengers to enjoy the view to the fullest while being entertained by violinist sonatas, tantalizing treats and champagne. Everything was going well and the journey was proving more than satisfactory and within a few hours the train arrived at the tunnel. There was a small crowd both at the entrance and at the exit to see the new train go through that prodigious tunnel (which had already been used by other trains previously). The train approached amid the exultation of those present and once it entered completely into the darkness of the mountain...