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This is the energy and ecological interactions of toilets by the excrement digestion converted into nutrient behavior, increased water shore, biodiversity, the bottom wall plate can effectively make algae and other marine plants cling to them, so rich ecology intertidal reduce vandalism, providing a safe haven biological, mutual ism, become fused with the landscape toilet Interaction with the environment is also a toilet, with those who can produce tidal energy and kinetic energy changes, the required power supply, so that the whole toilet is completely self-sufficient.