But then you need structural supports to hold up the shelves, which is what the dome is designed to avoid. The low wall weight would help, I suppose, but you st

But then you need structural supports to hold up the shelves, which is what the dome is designed to avoid. The low wall weight would help, I suppose, but you still need to hold up everything inside the units. Once you're pouring concrete onto rebar, it seems like you might as well just have an apartment block.