reports Nikolina Demark of Total Croatia News.

Photo: Pixabay

The competition, which has been staged for the last 40 years, will run from 29th September to 1st October.

Biševo has been chosen to mark the 50th anniversary of Medvidina cave, the Green cave, Ravnik island and Stiniva beach all being pronounced protected nature sites.

The photos taken will exhibited in the Blue Cave Visitor Centre which will hopefully be established soon.