Here's the location of the hexagonal structures on Subi Reef:
China began working on Subi Reef in July 2014 and has since reclaimed 976 acres. Currently, Subi Reef remains China's northernmost outpost in the Spratly Island chain.
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Here's the location of the hexagonal structures on Fiery Cross Reef:
Meanwhile on Fiery Cross Reef, China has reclaimed approximately 677 acres and it constructed a 9,800-foot runway, a dredged harbor that is large enough to receive tankers and major surface combat ships, and a possible radar tower.
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The following satellite imagery shows the location of the hexagonal structures on Mischief Reef:
Perhaps the most significant portion of the Permanent Court of Arbitration's July 12 500-page unanimous ruling on the South China Sea is the decision on Mischief Reef. According to the ruling, the reef and everything on it legally belongs to the Philippines.
This is in spite of China's reclamation of approximately 1,379 acres of land and the construction of a 9,800-foot runway, radar nests, and what some experts have speculated is a soon-to-be naval base.
"The court ruled China's initial occupation of Mischief Reef and its construction of facilities there illegal, so every day that China continues to make use of those facilities it is violating international law," Poling told Business Insider in a previous interview.
