CIWLpack.zip is a release file of the Minecraft resource pack [IR] CIWL Orient Express for Immersive Railroading, made for Minecraft 1.16.5, 1.12.2. It was published on January 1, 2025 and is 79.6 MB in size. For the full description, screenshots and every other version, visit the [IR] CIWL Orient Express for Immersive Railroading resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.