An encounter over China's controversial man-made islands

The BBC's Rupert Wingfield-Hayes flies over reclaimed islands in the South China Sea, receiving aggressive radio warnings from Chinese officials. Critics say the man-made islands are part of a wider attempt by China to control this important shipping route, which is recognised by other countries as international waters.

Picture: Comparison of two images from July 2012 and September 2015, showing the construction of a man-made lagoon.
Credit: CSIS Asia Maritime Transparency Initiative / Digital Globe