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My friends spell it Efrin. (Past year or so even ANF has started spelling it Afrin. Same place.
Place of huge olive groves and I’m told anything grows well.
Kurds hate to loose this one. Only reason they did not hold it is Turkey’s airforce being allowed inside Syrian airspace by Russia (probably with Assad’s blessing).
This is on the path to the coast along the Turkish border. Potentially a pipeline to the cost is possible if Kurds controlled the path. Turkey and Assad will do anything to prevent it.
Russia had control of Efrin air space by mutual agreement.