From here, the road travels a further 15 km (9 miles), past the salt flats of La Mata, to Torrevieja.
The salt flats, while they seem boring, are actually interesting. 
mnli hypothesis: The salt flats, while they seem boring, are actually interesting.  premise: From here, the road travels a further 15 km (9 miles), past the salt flats of La Mata, to Torrevieja.