NEWS… BUT NOT AS YOU KNOW IT
Russia, China and the US have all expanded their nuclear test sites in recent years by building new storage facilities and digging underground tunnels.
The structural developments at three locations were evident in satellite images taken by a prominent analyst in military nonproliferation studies.
The sites are shown to have been bolstered over the past three to five years during a time of growing tension between the three nuclear powers.
They include a centre operated by China in the far western region of XinJiang, another by Russia in an Arctic Ocean archipelago, and one in the Nevada desert.