The setup is like a termite hill providing natural ventilation just by set up with ground pipes and a solartower.
该建筑看起来就像是一个白蚁的巢穴，通过地面管道和太阳能塔提供自然通风。
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Aside from completing the solartower and working on the first earth-bag dome, the tribe members visited the local school in John Obey village to teach an impromptu geography lesson.
New-generation "solartower" plants have been built in Spain and the United States which use an array of mirrors to concentrate sunlight onto tower-mounted receivers which drive steam turbines.