Frozen Station: A Ceres Colony Carved From the Ice It Mines
Siddanth Rao and Harshad Manglori turn mining tunnels beneath Ceres into a colony, where every cavity excavated for resources becomes room for life.
Most visions of off-world settlement start with the habitat and treat resource extraction as a service function parked somewhere out of frame. Frozen Station reverses that order. On Ceres, the act of mining becomes the act of building: every shaft sunk to reach resources and every cavity melted out of the frozen crust is claimed as inhabitable space. The colony grows in the hollows its own industry leaves behind.
Designed by Siddanth Rao and Harshad Manglori, the project was recognized as an Editor's Choice entry in Leap. The proposal frames Ceres as a mining expedition that matures into a permanent, increasingly self-reliant settlement. Beneath the crust, a network of ice-carved spaces the designers call the Frozen Colony gathers mining infrastructure, habitation, agriculture, laboratories, transportation, production, water treatment and launch operations into one interdependent planetary system.
Vertical Shafts That Turn Extraction Into Circulation

The section is the clearest argument the project makes. Optical mining towers descend from surface domes and photon absorbers, pass through the rock and arrive at production units and laboratories deep below. Horizontal passages then branch from these shafts toward supply units, habitation and other zones. The colony does not sprawl across the exposed surface; it reads as a vertical organism rooted in the crust.
What makes this compelling is that the geology of Ceres is allowed to dictate the plan. Circulation follows the excavation, and infrastructure expands wherever the mining has already opened ground. Instead of fighting a hostile site, the drawing shows an architecture that waits for extraction to clear the way, then moves in.
Farms Suspended Over Glass Domes in the Hollowed Cavern


Inside the cavern, the rendering shifts from diagram to atmosphere. Terraced farm structures hang from the cave ceiling above clusters of glass habitat domes, and a lone astronaut in a lit suit gives the space its scale. Hanging the agriculture frees the cavern floor for habitation, stacking the colony's two most basic needs, food and shelter, within a single excavated volume.
The accompanying section ties that interior back to the wider system, placing habitat and laboratory modules above a cutaway of the cavern with its suspended farms, domes and a supply unit. This is where the project's phasing becomes legible. The designers propose that an unmanned first stage of robotic systems would melt tunnels through the ice, then insulate those cavities and prepare them to hold an atmosphere. By the time a crew arrives, they would find a partially prepared landscape rather than an untouched world, with much of the heavy construction already done.
Reading the Crater Before Drawing the Colony

The aerial image grounds the speculation in a real place: a crater roughly 92 km across, its floor marked by bright white patches. For a proposal built on inhabiting subterranean ice, this is the site evidence that matters. Those surface deposits hint at what lies beneath and justify the choice to dig rather than build up.
Including the crater at this scale also reframes the colony. Set against a 92 km depression, the shafts, domes and caverns become small interventions threaded into a vast terrain, a sensible humility for a settlement that depends on the ground for its very structure.
Why This Project Matters
Frozen Station is persuasive because it refuses to separate the industrial from the domestic. By treating excavation as construction, the designers collapse two infrastructures into one and give every mined void a second life as habitat, farm or lab. The three-stage mission sharpens the idea further, letting autonomous machines shape the colony before a single person lands.
For space architecture, which often leans on sealed capsules dropped onto alien surfaces, this is a useful counterpoint. Rao and Manglori suggest that long-term settlement will depend less on what we bring and more on how intelligently we read and reuse the ground we arrive on. On Ceres, that means letting the ice become both resource and room.
View the Full Project
About the Designers
Designers: Siddanth Rao, Harshad Manglori
Enter a Design Competition on uni.xyz
uni.xyz runs architecture and design competitions year-round that reward proposals with spatial conviction and real site intelligence.
Project credits: Frozen Station by Siddanth Rao, Harshad Manglori Leap (uni.xyz).
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