Why the second Cab?

The BR 50 is one of Germany's most-numerous steam locomotives for goods trains. Many of them received rebuilt tenders featuring a small cabin behind the coal bunker. But what were these cabins used for? Sit back, and let me tell you all about it! All models in this video were created and rendered by myself using Blender. You can support my work by becoming a channel member:    / @steelbridgemodels   Check out my wallpaper collection on Gumroad: https://steelbridgemodels.gumroad.com/ Follow me also on Instagram:   / steelbridgemodels   Chapters: 0:00 Intro 0:17 Act I: Background 1:10 Act II: Rebuild 2:28 Act III: Success 3:17 Act IV: Downfall 4:18 Act V: Summary 4:35 Outro