"No man ever steps in the same river twice, for it's not the same river and he's not the same man."

- Heraclitus | 📷: Peter Rajkai

(This stunning drone shot shows one of the sources of Croatia's 62-mile-long Cetina river - a breathtaking karst spring near the tiny village of Cetina near the Dinara mountain range known as 'the eye of the earth'.)