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The Water Subway

posted Jul 12, 2011, 8:48 AM by Ting Jiang   [ updated Jul 12, 2011, 9:48 AM ]
What if we can build water subways(floating tubes) in the ocean which are powered by the ocean waves and man-made water vortex? In the most ideal case, the subway trains could be pushed forward by the water in a pure mechanical way. Lighting should be kept within the tubes to protect the sea ecology. However, the water should be visible from inside to enrich the travel experience as if visiting the ocean park.

1. it saves energy and decrease air pollution
2. it is fun to see sea animals taking the water subway
3. it is potentially safer than flying