They're satellite dishes used for intercepting satellite communications, but they're covered in domes: http://en.wikipedia.org/wiki/GCSB_Waihopai http://en.wiki

They're satellite dishes used for intercepting satellite communications, but they're covered in domes: http://en.wikipedia.org/wiki/GCSB_Waihopai http://en.wikipedia.org/wiki/GCSB_Waihopai