送交者: cornbug 于 2015-10-20, 17:39:09:

回答: NYC的地下公园项目很不错，利用光纤全反射把光传到地下，不耗电，不转换，环保！ 由 meiyou 于 2015-10-20, 16:45:20:

• put on top of the buildings - that doesn't bother anyone (无内容) - meiyou (0 bytes) 2015-10-20, 17:56:58 (790701)
  • then you have to run a thick cable down, ugly. (无内容) - cornbug (0 bytes) 2015-10-20, 18:15:06 (790702)
    • there are full of shit already on roofs - cornbug (149 bytes) 2015-10-20, 18:20:33 (790704)
      • imagine what you gain - all the premium real estate underground - meiyou (151 bytes) 2015-10-20, 18:23:08 (790705)
        • Manhattan is too old & too complicated to dig out spaces. - cornbug (53 bytes) 2015-10-20, 18:30:38 (790707)
          • 假如城市冬天太冷，阳光太少，就不合适，迪拜，新加坡， 就很好 (无内容) - meiyou (0 bytes) 2015-10-20, 18:32:25 (790708)
            • underground is the rat's world, ecologically fine balance. (无内容) - cornbug (0 bytes) 2015-10-20, 18:35:12 (790709)
    • the cable should be hidden within the building - drill thru like TV cable (无内容) - meiyou (0 bytes) 2015-10-20, 18:19:12 (790703)

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