My Colony for the End of the World

The colony has 50+ rooms with basic needs - beds, lights etc. The top part of the colony houses farms - the farms are semiautomatic. The crops are gathered by water and brought down to the main chamber.

The lake provides fresh water and energy.

As an additional plus: the two waterfalls on the sides of the main chamber cover two big rooms that can house additional families. I use them as my own apartment.