onics is becoming more widespread.
             The Hanging Gardens of Babylon were a series of solariums filled with plants. Investigations have concluded that an intricate tunnel and pulley system was used to bring the water from the ground to the top platform. It is a possibility that the water used was waste from human inhabitants. This would actually make the gardens hydroponic because nutrients were added to the plants.
             The Aztec Floating Gardens or rafts were called "chinampas." They were locates on Lake Tenochtitlan, in Mexico. The rafts were constructed of rushes and reeds that were bound together with roots. The Aztecs then took mud from the bottom of the lake and collected it on the top of the raft. Then vegetables, flowers, and even trees were grown on the rafts. Some of the roots sprouted down into the lake. The nutrients in the mud and in the lake helped to produce lush gardens.
             Of recent years, the method of hydroponics has become more widely used to grow healthy plants, vegetables,
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