The Chinese Backbone Pump was used for collecting water out of wells and freshwater deposits. It saved time and convenience by needing only one person to operate it and not having to keep running back and forth scooping water.
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Mining forms the backbone of Chile's economy.
The mountains that form the backbone of russia us called the Urals!you must be thinking of the "Ural Mountains"
From a pump outside (APEX)
The dragon is the main animal.
The withered grass symbolizes in the Chinese culture that the dragon is insulted because a ruler doesn't follow its advice or that people of the area did not honor its importance. So, the dragon stop making rain or make storms or floods.