Why did a section of track fall? Perhaps there have been a lack of audits in each area of operation of the metro to identify possible failures in human operating systems, considers Mario Maraboto.
The former director of civil works for Line 12 affirms that maintenance has been key in what has happened to this infrastructure, although he refrains from giving hypotheses about the May accident.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
