Some bricks, mortar and silver and a cistern below groundwater level. Bricks filter the water, silver kills the bacteria.
If a well and not below groundwater level. 2 chambers input the water in one and let it percolate through the brick and mortar.
Some bricks, mortar and silver and a cistern below groundwater level. Bricks filter the water, silver kills the bacteria.
If a well and not below groundwater level. 2 chambers input the water in one and let it percolate through the brick and mortar.
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