A compromise has to be made more often during construction, in this case the width of the platforms. That is why the inner 2 are narrower and are thought of as necessity, therefore they are also made of sand.
Tjonge, dit is het echte modelleerwerk, prachtig. Wat een detail. Zelf zou ik gewoon een houtje gebruiken. LOL. Well done and thanks for the vid. Robert
So after watching these videos you have showcased your talent for construction projects, computer programming, photography, mechanics, model making, railway modelling, artist composition, model casting, airbrushing, electronics.....absolutely stunning skill set and wonderful layout. Thank you for sharing.