crystal clear, green aquatic-plants full, waters of sveti naum (saint naum) springs on the black drim river

algae beautiful black drim drin blue bright calm clean clear crn crystal environment europe flowing foliage freshwater green heritage idyllic journey lake landscape macedonia monastery nature north outdoor outside park place plant quiet reflection ripple river riverbed saint naum scenic source spring stream sveti tourism tranquil transparent travel tree unesco vacation water aquatic-plants full waters springs ohrid