Minecraft wiki entry for Building_a_metropolis, associated text: Silo Build a large warehouse-like building and add ladders and chests for you to store the output from factories and it can double as a store of waste to be taken to incinerators or a contraband destruction facility.
Ski Hill Build paths down mountains and hills. Different paths can appear to have different difficulties based off of the hill incline, bumps, and turns. Spruce trees, chairlifts, ramps, cabins, and snowmen would all make great decorations for the trail.