In northern Tenerife, greenery doesn’t always wait for the designer. Sometimes it appears of its own accord: in a crack in the parapet, by a blocked drain, on a thin layer of dust blown in from the street, or in the porous, grouted surface of an old terrace. This is not a ‘roof garden’ in … Czytaj dalej A roof that has gone green all by itself. On the unplanned vegetation of northern Tenerife