Visiting the Blue Eye Of The Earth, which is a more than 100m deep karst spring located in Croatia. #dji #djimavic #djimavicpro #aerialphotography #mavic #mavicpro #aerialphoto #dronephotography #drone #droneshots #exploration #travel #travelphotography #wanderlust #hiking #lake #lifeofadventure #nature #naturephotography #roadtrip #spring #cetina #cetinariver