Kostas Kallergis, a producer at the BBC wrote on Twitter/X, "there is no such thing as a cave called 'the Abyss' on #Symi island #Greece." Rather, "it's simply one of the many cave pits that can ...

Beyond stunning architecture, Symi is filled with secluded sandy beaches ... you can even get back on land and hike the collapsed sea cave, and be rewarded with some pretty unbeatable views ...