Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Okavango Delta' has mentioned 'Sea' in the following places:
Occurrence Sentence Text Source
All the water reaching the delta is ultimately evaporated and transpired and does not flow into any sea or ocean.
The Okavango Delta is one of a very few large inland delta systems without an outlet to the sea, known as an endorheic delta, its waters drain instead into the desert sands of the Kalahari Basin.