Good pictures. The roofscapes are something I like as a means of blotting out some of the more horrible excesses lower down!
The 'modernisation' and prettification are designed to attract more and more high-spending tourists. The local councils depend on the money they get from developers to do this. Without a 'modern' image (ie hotels and golf courses) it is perceived that visitors will not want to come. There would be no money in the Algarve were it not for tourists. The traditional industries have all but disappeared.
But, as many have said, you can see concrete anywhere. But who cares, as long as the beer is cheap and the sun is shining?
Try visiting Lagos for an example of overdoing it! Cranes and concrete everywhere. Or should I say breeze blocks with a thin skim over the top.
So there will be plenty of accommodation for the hordes who are expected to descend once the new airport is built, but will anyone have any money?
Time to get off that hobby-horse now. Chores need doing.