These images might just be the clearest signs of China's expansion in the disputed South China Sea

AMTI/Amanda Macias/Business Insider

Fiery Cross Reef.

Over the past decade, China has pursued an extensive and far reaching campaign of dredging and creating man-made islands within the South China Sea. 

These pursuits have put China at odds with Vietnam, the Philippines, Taiwan, Malaysia, and large sections of the international community including the US. One of the main areas that China's expansion has focused on has been the Spratly Island chain close to the Philippines. 

Beijing's expansion in this region has focused particularly one three main islands - the Fiery Cross Reef, Mischief Reef, and the Subi Reef. Below is a quick overview of what China has built on each of these islands, and how it impacts the Philippines.