Russia says it plans to retrieve the unmanned US drone downed over the Black Sea last Tuesday.
The US has said a recovery operation would be “very difficult” due to the significant depth of the Black Sea.
But how deep is it? And what can be found down there?
From ancient shipwrecks to huge underwater rivers, the hidden world beneath the Black Sea is truly fascinating.
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The FBI thwarted a plot targeting Sunday's UFC event at the White House and has arrested five men, the US…
L'edizione della notte del Tg diretto da Enrico Mentana
L'informazione della testata giornalistica di LA7 diretta da Enrico Mentana