river - Interactive media for ministry of environment necessary ( komisi lingkungan hidup ), it's discribed a natural river environment and it's function for a human.
water - Interactive media for ministry of environment necessary ( komisi lingkungan hidup ), it's discribed a variation of water source in earth, and also discrebed a water cycle.
sea - Interactive media for ministry of environment necessary ( komisi lingkungan hidup ), it's discribed a sea habitat, from up to under the sea.
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