Spain's pain over lack of rain

Spanish regions have been falling out over who should get water and whether rivers should be diverted as the nation struggles with a lack of rain and prepares to treat sea water.

Sue Lloyd-Roberts reports.

Click Here to watch the BBC news special report on Spain's water troubles.

Translation from Spanish into English:

The Ebro river decanting

A common sense matter

If fresh water from the river turns into salt water when it comes to the sea...

What sense is there in desalting the water poured in the sea by the Ebro river?

It's water-clear.