How would you spend a billion? (in Fuerteventura)

The tunnel to Lanzarote seems to have hit a nerve with a lot of people. So for fun, if you were the Cabildo and had €1 billion laying around, what would be your five pet projects? It's for fun, so don't get too heavy or political:

1. A robust water supply chain fit for this century
2. Offshore windfarm on west coast. Consolidate all wind generation in ONE place instead of multiple inland eyesores
3. Takeover all unfinished buil