famous melissani lake on kefalonia island, karavomylos, greece. on top of melissani cave (melissani lake) in karavomylos village

melissani cave greece lake kefalonia nature water cavern island sea geology boat hole cephalonia greek destination travel underground drogarati speleology blue summer nymph landscape mediterranean rock ionian landmark pagan famous vacation archaeologica sweet melisani mellisani place cefalonia islands panas sami seacave turquoise colored drone point of view