Watering-free garden / Save water flowerpot

At the bottom of a ceramic flowerpot design precise control of water permeability,
allowing water molecules penetrate into the interior of the earth,
it providing 7 ~ 10 days without hydration.
Water is stored in the outer layer of the glass aquarium,
and the upper ceramic flowerpot into a closed space,
so that a very small amount of water evaporation.
Watering directly to the edge of flowerpot,
then water can penetrate into the aquarium from gap.